Base | Representation |
---|---|
bin | 1001000011111000010… |
… | …0010110101100000100 |
3 | 112212210020001000010101 |
4 | 2100332010112230010 |
5 | 10022242444322211 |
6 | 155302001133444 |
7 | 14150255312560 |
oct | 2207604265404 |
9 | 485706030111 |
10 | 155660151556 |
11 | 60019108858 |
12 | 2620232a284 |
13 | 118a9107870 |
14 | 77693b66a0 |
15 | 40b09865c1 |
hex | 243e116b04 |
155660151556 has 48 divisors (see below), whose sum is σ = 335646694656. Its totient is φ = 61510287744.
The previous prime is 155660151473. The next prime is 155660151599. The reversal of 155660151556 is 655151066551.
It is a happy number.
It is a super-2 number, since 2×1556601515562 (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, 81810 + ... + 563926.
It is an arithmetic number, because the mean of its divisors is an integer number (6992639472).
Almost surely, 2155660151556 is an apocalyptic number.
It is an amenable number.
155660151556 is an abundant number, since it is smaller than the sum of its proper divisors (179986543100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155660151556 is a wasteful number, since it uses less digits than its factorization.
155660151556 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 483028 (or 483026 counting only the distinct ones).
The product of its (nonzero) digits is 675000, while the sum is 46.
The spelling of 155660151556 in words is "one hundred fifty-five billion, six hundred sixty million, one hundred fifty-one thousand, five hundred fifty-six".
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