Base | Representation |
---|---|
bin | 101000100001111110… |
… | …0101110100000101000 |
3 | 22022122220212112010001 |
4 | 1101003330232200220 |
5 | 2411224032313121 |
6 | 103552455032344 |
7 | 6200626112323 |
oct | 1210374564050 |
9 | 268586775101 |
10 | 87039338536 |
11 | 33a0548a337 |
12 | 14a5136b6b4 |
13 | 82916324a7 |
14 | 42d9a157ba |
15 | 23e64a8991 |
hex | 1443f2e828 |
87039338536 has 64 divisors (see below), whose sum is σ = 168473592000. Its totient is φ = 42130368000.
The previous prime is 87039338531. The next prime is 87039338651. The reversal of 87039338536 is 63583393078.
It is not an unprimeable number, because it can be changed into a prime (87039338531) 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, 56189890 + ... + 56191438.
It is an arithmetic number, because the mean of its divisors is an integer number (2632399875).
Almost surely, 287039338536 is an apocalyptic number.
It is an amenable number.
87039338536 is a deficient number, since it is larger than the sum of its proper divisors (81434253464).
87039338536 is a wasteful number, since it uses less digits than its factorization.
87039338536 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2810 (or 2806 counting only the distinct ones).
The product of its (nonzero) digits is 9797760, while the sum is 55.
The spelling of 87039338536 in words is "eighty-seven billion, thirty-nine million, three hundred thirty-eight thousand, five hundred thirty-six".
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