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212431210142100 = 2235226910771244393
BaseRepresentation
bin110000010011010001111110…
…110100011101100110010100
31000212011020002021200000121120
4300103101332310131212110
5210320433104244021400
62031445314541243540
762513435264136135
oct6023217664354624
91025136067600546
10212431210142100
1161761630067214
121b9aa7125635b0
13916c23c2b77b1
143a65a2281dc8c
151985c53872ca0
hexc1347ed1d994

212431210142100 has 144 divisors (see below), whose sum is σ = 616978987692480. Its totient is φ = 56432263449600.

The previous prime is 212431210142071. The next prime is 212431210142113. The reversal of 212431210142100 is 1241012134212.

212431210142100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 869097504 + ... + 869341896.

It is an arithmetic number, because the mean of its divisors is an integer number (4284576303420).

Almost surely, 2212431210142100 is an apocalyptic number.

212431210142100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212431210142100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308489493846240).

212431210142100 is an abundant number, since it is smaller than the sum of its proper divisors (404547777550380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212431210142100 is a wasteful number, since it uses less digits than its factorization.

212431210142100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255450 (or 255443 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 212431210142100 its reverse (1241012134212), we get a palindrome (213672222276312).

The spelling of 212431210142100 in words is "two hundred twelve trillion, four hundred thirty-one billion, two hundred ten million, one hundred forty-two thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 269 300 538 807 1076 1345 1614 2690 3228 4035 5380 6725 8070 10771 13450 16140 20175 21542 26900 32313 40350 43084 53855 64626 80700 107710 129252 161565 215420 244393 269275 323130 488786 538550 646260 733179 807825 977572 1077100 1221965 1466358 1615650 2443930 2897399 2932716 3231300 3665895 4887860 5794798 6109825 7331790 8692197 11589596 12219650 14486995 14663580 17384394 18329475 24439300 28973990 34768788 36658950 43460985 57947980 65741717 72434975 73317900 86921970 131483434 144869950 173843940 197225151 217304925 262966868 289739900 328708585 394450302 434609850 657417170 788900604 869219700 986125755 1314834340 1643542925 1972251510 2632357003 3287085850 3944503020 4930628775 5264714006 6574171700 7897071009 9861257550 10529428012 13161785015 15794142018 19722515100 26323570030 31588284036 39485355045 52647140060 65808925075 78970710090 131617850150 157941420180 197426775225 263235700300 394853550450 708104033807 789707100900 1416208067614 2124312101421 2832416135228 3540520169035 4248624202842 7081040338070 8497248405684 10621560507105 14162080676140 17702600845175 21243121014210 35405201690350 42486242028420 53107802535525 70810403380700 106215605071050 212431210142100