Base | Representation |
---|---|
bin | 101000100001100011… |
… | …0100010000101111110 |
3 | 22022121221010202021102 |
4 | 1101003012202011332 |
5 | 2411211413210102 |
6 | 103551230333102 |
7 | 6200364262502 |
oct | 1210306420576 |
9 | 268557122242 |
10 | 87025131902 |
11 | 339a8466715 |
12 | 14a4865a192 |
13 | 828b6c9cb7 |
14 | 42d7b98302 |
15 | 23e50ee402 |
hex | 14431a217e |
87025131902 has 16 divisors (see below), whose sum is σ = 138273560352. Its totient is φ = 40936062720.
The previous prime is 87025131887. The next prime is 87025131929. The reversal of 87025131902 is 20913152078.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445799 + ... + 610562.
It is an arithmetic number, because the mean of its divisors is an integer number (8642097522).
Almost surely, 287025131902 is an apocalyptic number.
87025131902 is a deficient number, since it is larger than the sum of its proper divisors (51248428450).
87025131902 is a wasteful number, since it uses less digits than its factorization.
87025131902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1058803.
The product of its (nonzero) digits is 30240, while the sum is 38.
The spelling of 87025131902 in words is "eighty-seven billion, twenty-five million, one hundred thirty-one thousand, nine hundred two".
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