Base | Representation |
---|---|
bin | 101000111100000010… |
… | …1010101010111101010 |
3 | 22101220212201102220210 |
4 | 1101320011111113222 |
5 | 2420021441310330 |
6 | 104215342201550 |
7 | 6231406520214 |
oct | 1217005252752 |
9 | 271825642823 |
10 | 87914010090 |
11 | 34314191a95 |
12 | 150562832b6 |
13 | 83a08cb31a |
14 | 437dc5b5b4 |
15 | 24481808b0 |
hex | 14781555ea |
87914010090 has 32 divisors (see below), whose sum is σ = 211013683200. Its totient is φ = 23441507264.
The previous prime is 87914010089. The next prime is 87914010101. The reversal of 87914010090 is 9001041978.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194647 + ... + 462293.
It is an arithmetic number, because the mean of its divisors is an integer number (6594177600).
Almost surely, 287914010090 is an apocalyptic number.
87914010090 is an abundant number, since it is smaller than the sum of its proper divisors (123099673110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87914010090 is a wasteful number, since it uses less digits than its factorization.
87914010090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 278606.
The product of its (nonzero) digits is 18144, while the sum is 39.
The spelling of 87914010090 in words is "eighty-seven billion, nine hundred fourteen million, ten thousand, ninety".
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