Base | Representation |
---|---|
bin | 101000101101011110… |
… | …1010110000100011001 |
3 | 22100122211021021200210 |
4 | 1101122331112010121 |
5 | 2413021344022122 |
6 | 104055045121333 |
7 | 6213324303462 |
oct | 1213275260431 |
9 | 270584237623 |
10 | 87425376537 |
11 | 34093389404 |
12 | 14b3a6b9249 |
13 | 83235c5a45 |
14 | 4334dc3d69 |
15 | 241a31040c |
hex | 145af56119 |
87425376537 has 16 divisors (see below), whose sum is σ = 121434183360. Its totient is φ = 55898265600.
The previous prime is 87425376529. The next prime is 87425376541. The reversal of 87425376537 is 73567352478.
It is not a de Polignac number, because 87425376537 - 23 = 87425376529 is a prime.
It is a super-2 number, since 2×874253765372 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (87425376637) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6016264 + ... + 6030777.
It is an arithmetic number, because the mean of its divisors is an integer number (7589636460).
Almost surely, 287425376537 is an apocalyptic number.
It is an amenable number.
87425376537 is a deficient number, since it is larger than the sum of its proper divisors (34008806823).
87425376537 is a wasteful number, since it uses less digits than its factorization.
87425376537 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12047144.
The product of its digits is 29635200, while the sum is 57.
The spelling of 87425376537 in words is "eighty-seven billion, four hundred twenty-five million, three hundred seventy-six thousand, five hundred thirty-seven".
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