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29998482161830 = 25721341114861899
BaseRepresentation
bin1101101001000100100001…
…10111111000000010100110
310221012211022210121120221121
412310202100313320002212
512412443342413134310
6143445040142404154
76214214232105100
oct664422067700246
9127184283546847
1029998482161830
119616315137846
123445aa6b9065a
131397ac9b42860
14759d11962570
153704e19090da
hex1b4890df80a6

29998482161830 has 96 divisors (see below), whose sum is σ = 69294805927200. Its totient is φ = 9262463454720.

The previous prime is 29998482161807. The next prime is 29998482161833. The reversal of 29998482161830 is 3816128489992.

It is a hoax number, since the sum of its digits (70) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (70).

It is a self number, because there is not a number n which added to its sum of digits gives 29998482161830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29998482161833) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57169780 + ... + 57692119.

It is an arithmetic number, because the mean of its divisors is an integer number (721820895075).

Almost surely, 229998482161830 is an apocalyptic number.

29998482161830 is an abundant number, since it is smaller than the sum of its proper divisors (39296323765370).

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

29998482161830 is a wasteful number, since it uses less digits than its factorization.

29998482161830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114861974 (or 114861967 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 70.

The spelling of 29998482161830 in words is "twenty-nine trillion, nine hundred ninety-eight billion, four hundred eighty-two million, one hundred sixty-one thousand, eight hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 41 49 65 70 82 91 98 130 182 205 245 287 410 455 490 533 574 637 910 1066 1274 1435 2009 2665 2870 3185 3731 4018 5330 6370 7462 10045 18655 20090 26117 37310 52234 130585 261170 114861899 229723798 574309495 804033293 1148618990 1493204687 1608066586 2986409374 4020166465 4709337859 5628233051 7466023435 8040332930 9418675718 10452432809 11256466102 14932046870 20904865618 23546689295 28141165255 32965365013 47093378590 52262164045 56282330510 61221392167 65930730026 73167029663 104524328090 122442784334 146334059326 164826825065 230757555091 306106960835 329653650130 365835148315 428549745169 461515110182 612213921670 731670296630 857099490338 1153787775455 2142748725845 2307575550910 2999848216183 4285497451690 5999696432366 14999241080915 29998482161830