Base | Representation |
---|---|
bin | 101000111100000000… |
… | …1111110110100110010 |
3 | 22101220211001210110112 |
4 | 1101320001332310302 |
5 | 2420021230200224 |
6 | 104215311301322 |
7 | 6231366200201 |
oct | 1217001766462 |
9 | 271824053415 |
10 | 87913131314 |
11 | 34313741828 |
12 | 15055b1a842 |
13 | 83a0681338 |
14 | 437daad238 |
15 | 244805a30e |
hex | 147807ed32 |
87913131314 has 8 divisors (see below), whose sum is σ = 134031495468. Its totient is φ = 43235966160.
The previous prime is 87913131289. The next prime is 87913131367. The reversal of 87913131314 is 41313131978.
It can be written as a sum of positive squares in 2 ways, for example, as 86045422225 + 1867709089 = 293335^2 + 43217^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
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, 360299597 + ... + 360299840.
Almost surely, 287913131314 is an apocalyptic number.
87913131314 is a deficient number, since it is larger than the sum of its proper divisors (46118364154).
87913131314 is a wasteful number, since it uses less digits than its factorization.
87913131314 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 720599500.
The product of its digits is 54432, while the sum is 41.
The spelling of 87913131314 in words is "eighty-seven billion, nine hundred thirteen million, one hundred thirty-one thousand, three hundred fourteen".
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