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10120404030 = 23511179171329
BaseRepresentation
bin10010110110011100…
…10001110000111110
3222010022022210101220
421123032101300332
5131211310412110
64352123214210
7505536005052
oct113316216076
928108283356
1010120404030
114323782380
121b65377366
13c53926269
146c0145c62
153e3743370
hex25b391c3e

10120404030 has 64 divisors (see below), whose sum is σ = 26645241600. Its totient is φ = 2439710720.

The previous prime is 10120404029. The next prime is 10120404059. The reversal of 10120404030 is 3040402101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26595 + ... + 144734.

It is an arithmetic number, because the mean of its divisors is an integer number (416331900).

Almost surely, 210120404030 is an apocalyptic number.

10120404030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10120404030 is an abundant number, since it is smaller than the sum of its proper divisors (16524837570).

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

10120404030 is a wasteful number, since it uses less digits than its factorization.

10120404030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171529.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10120404030 its reverse (3040402101), we get a palindrome (13160806131).

The spelling of 10120404030 in words is "ten billion, one hundred twenty million, four hundred four thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 179 330 358 537 895 1074 1790 1969 2685 3938 5370 5907 9845 11814 19690 29535 59070 171329 342658 513987 856645 1027974 1713290 1884619 2569935 3769238 5139870 5653857 9423095 11307714 18846190 28269285 30667891 56538570 61335782 92003673 153339455 184007346 306678910 337346801 460018365 674693602 920036730 1012040403 1686734005 2024080806 3373468010 5060202015 10120404030