Base | Representation |
---|---|
bin | 1001001010110001110… |
… | …0000110111001000111 |
3 | 120001120021101011010200 |
4 | 2102230130012321013 |
5 | 10040041014401241 |
6 | 200205430021543 |
7 | 14244201551631 |
oct | 2225434067107 |
9 | 501507334120 |
10 | 157511872071 |
11 | 60889388894 |
12 | 2663a4a78b3 |
13 | 11b12936188 |
14 | 78a32b3a51 |
15 | 416d3094b6 |
hex | 24ac706e47 |
157511872071 has 12 divisors (see below), whose sum is σ = 227521563672. Its totient is φ = 105005876976.
The previous prime is 157511872031. The next prime is 157511872087. The reversal of 157511872071 is 170278115751.
157511872071 is a `hidden beast` number, since 1 + 57 + 511 + 87 + 2 + 0 + 7 + 1 = 666.
It is not a de Polignac number, because 157511872071 - 214 = 157511855687 is a prime.
It is a super-2 number, since 2×1575118720712 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157511872031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 431985 + ... + 708261.
It is an arithmetic number, because the mean of its divisors is an integer number (18960130306).
Almost surely, 2157511872071 is an apocalyptic number.
157511872071 is a deficient number, since it is larger than the sum of its proper divisors (70009691601).
157511872071 is a wasteful number, since it uses less digits than its factorization.
157511872071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 339630 (or 339627 counting only the distinct ones).
The product of its (nonzero) digits is 137200, while the sum is 45.
The spelling of 157511872071 in words is "one hundred fifty-seven billion, five hundred eleven million, eight hundred seventy-two thousand, seventy-one".
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