Base | Representation |
---|---|
bin | 11001010110100001101… |
… | …01001100101001011101 |
3 | 10002021102112212111202022 |
4 | 30223100311030221131 |
5 | 103232441233001112 |
6 | 1504101041305525 |
7 | 116635230222233 |
oct | 14532065145135 |
9 | 3067375774668 |
10 | 871087000157 |
11 | 3064759a2100 |
12 | 1209a53352a5 |
13 | 641b267288a |
14 | 30237494953 |
15 | 179d406bd72 |
hex | cad0d4ca5d |
871087000157 has 24 divisors (see below), whose sum is σ = 959388557400. Its totient is φ = 790317095040.
The previous prime is 871087000129. The next prime is 871087000187. The reversal of 871087000157 is 751000780178.
It is a happy number.
871087000157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 104296056601 + 766790943556 = 322949^2 + 875666^2 .
It is not a de Polignac number, because 871087000157 - 224 = 871070222941 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (871087000187) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144479819 + ... + 144485847.
It is an arithmetic number, because the mean of its divisors is an integer number (39974523225).
Almost surely, 2871087000157 is an apocalyptic number.
It is an amenable number.
871087000157 is a deficient number, since it is larger than the sum of its proper divisors (88301557243).
871087000157 is a wasteful number, since it uses less digits than its factorization.
871087000157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8237 (or 8226 counting only the distinct ones).
The product of its (nonzero) digits is 109760, while the sum is 44.
The spelling of 871087000157 in words is "eight hundred seventy-one billion, eighty-seven million, one hundred fifty-seven", and thus it is an aban number.
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