Base | Representation |
---|---|
bin | 101000100101100000… |
… | …0001100101110111010 |
3 | 22022222011120100210201 |
4 | 1101023000030232322 |
5 | 2411444332024044 |
6 | 104012323432414 |
7 | 6203564064235 |
oct | 1211300145672 |
9 | 268864510721 |
10 | 87157689274 |
11 | 33a66274a67 |
12 | 14a84b2570a |
13 | 82acccc806 |
14 | 430b62241c |
15 | 2401a857d4 |
hex | 144b00cbba |
87157689274 has 8 divisors (see below), whose sum is σ = 132005820960. Its totient is φ = 43155748956.
The previous prime is 87157689239. The next prime is 87157689313. The reversal of 87157689274 is 47298675178.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211547584 + ... + 211547995.
It is an arithmetic number, because the mean of its divisors is an integer number (16500727620).
Almost surely, 287157689274 is an apocalyptic number.
87157689274 is a deficient number, since it is larger than the sum of its proper divisors (44848131686).
87157689274 is a wasteful number, since it uses less digits than its factorization.
87157689274 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 423095684.
The product of its digits is 47416320, while the sum is 64.
The spelling of 87157689274 in words is "eighty-seven billion, one hundred fifty-seven million, six hundred eighty-nine thousand, two hundred seventy-four".
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