Base | Representation |
---|---|
bin | 100011111001111101111001… |
… | …011100001100100011001100 |
3 | 202201010112110211112200000000 |
4 | 203321331321130030203030 |
5 | 131144240111100202404 |
6 | 1315505110114404300 |
7 | 45155663250554163 |
oct | 4371757134144314 |
9 | 681115424480000 |
10 | 157915100006604 |
11 | 4635346612a8a6 |
12 | 15865007590690 |
13 | 6a1643a113195 |
14 | 2add1bb2523da |
15 | 133cb02b26339 |
hex | 8f9f7970c8cc |
157915100006604 has 216 divisors, whose sum is σ = 435129530035200. Its totient is φ = 50076943774560.
The previous prime is 157915100006569. The next prime is 157915100006623. The reversal of 157915100006604 is 406600001519751.
157915100006604 is a `hidden beast` number, since 1 + 5 + 79 + 1 + 510 + 0 + 0 + 0 + 6 + 60 + 4 = 666.
It is a super-2 number, since 2×1579151000066042 (a number of 29 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 157915100006604.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 46355337 + ... + 49645215.
Almost surely, 2157915100006604 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 157915100006604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217564765017600).
157915100006604 is an abundant number, since it is smaller than the sum of its proper divisors (277214430028596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157915100006604 is an equidigital number, since it uses as much as digits as its factorization.
157915100006604 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3289997 (or 3289974 counting only the distinct ones).
The product of its (nonzero) digits is 226800, while the sum is 45.
The spelling of 157915100006604 in words is "one hundred fifty-seven trillion, nine hundred fifteen billion, one hundred million, six thousand, six hundred four".
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