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12144404100 = 22352537310463
BaseRepresentation
bin10110100111101110…
…01110011010000100
31011100100211122112110
423103313032122010
5144332431412400
65325024421020
7606643505643
oct132367163204
934310748473
1012144404100
115172221604
12242b177770
1311b705463a
14832c8b35a
154b1296e50
hex2d3dce684

12144404100 has 144 divisors (see below), whose sum is σ = 36294676992. Its totient is φ = 3133578240.

The previous prime is 12144404093. The next prime is 12144404113. The reversal of 12144404100 is 140444121.

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, 1155469 + ... + 1165931.

It is an arithmetic number, because the mean of its divisors is an integer number (252046368).

Almost surely, 212144404100 is an apocalyptic number.

12144404100 is a gapful number since it is divisible by the number (10) 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 12144404100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18147338496).

12144404100 is an abundant number, since it is smaller than the sum of its proper divisors (24150272892).

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

12144404100 is a wasteful number, since it uses less digits than its factorization.

12144404100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10606 (or 10599 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12144404100 its reverse (140444121), we get a palindrome (12284848221).

The spelling of 12144404100 in words is "twelve billion, one hundred forty-four million, four hundred four thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 53 60 73 75 100 106 146 150 159 212 219 265 292 300 318 365 438 530 636 730 795 876 1060 1095 1325 1460 1590 1825 2190 2650 3180 3650 3869 3975 4380 5300 5475 7300 7738 7950 10463 10950 11607 15476 15900 19345 20926 21900 23214 31389 38690 41852 46428 52315 58035 62778 77380 96725 104630 116070 125556 156945 193450 209260 232140 261575 290175 313890 386900 523150 554539 580350 627780 763799 784725 1046300 1109078 1160700 1527598 1569450 1663617 2218156 2291397 2772695 3055196 3138900 3327234 3818995 4582794 5545390 6654468 7637990 8318085 9165588 11090780 11456985 13863475 15275980 16636170 19094975 22913970 27726950 33272340 38189950 40481347 41590425 45827940 55453900 57284925 76379900 80962694 83180850 114569850 121444041 161925388 166361700 202406735 229139700 242888082 404813470 485776164 607220205 809626940 1012033675 1214440410 2024067350 2428880820 3036101025 4048134700 6072202050 12144404100