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101051662120 = 235157101915791
BaseRepresentation
bin101111000011100100…
…1011111111100101000
3100122211110112022110121
41132013021133330220
53123423211141440
6114231131453024
710205103645553
oct1360711377450
9318743468417
10101051662120
1139946035452
1217701bb7174
1396b5667716
144c689b969a
15296672334a
hex178725ff28

101051662120 has 64 divisors (see below), whose sum is σ = 229053484800. Its totient is φ = 40121253120.

The previous prime is 101051662109. The next prime is 101051662139. The reversal of 101051662120 is 21266150101.

It is a happy number.

It is a super-2 number, since 2×1010516621202 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6391425 + ... + 6407215.

It is an arithmetic number, because the mean of its divisors is an integer number (3578960700).

Almost surely, 2101051662120 is an apocalyptic number.

101051662120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101051662120 is an abundant number, since it is smaller than the sum of its proper divisors (128001822680).

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

101051662120 is a wasteful number, since it uses less digits than its factorization.

101051662120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16978 (or 16974 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 101051662120 in words is "one hundred one billion, fifty-one million, six hundred sixty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 157 314 628 785 1019 1256 1570 2038 3140 4076 5095 6280 8152 10190 15791 20380 31582 40760 63164 78955 126328 157910 159983 315820 319966 631640 639932 799915 1279864 1599830 2479187 3199660 4958374 6399320 9916748 12395935 16091029 19833496 24791870 32182058 49583740 64364116 80455145 99167480 128728232 160910290 321820580 643641160 2526291553 5052583106 10105166212 12631457765 20210332424 25262915530 50525831060 101051662120