Base | Representation |
---|---|
bin | 101010010100000101… |
… | …0110010101100101100 |
3 | 22200112202121102002102 |
4 | 1110220022302230230 |
5 | 2442044231342311 |
6 | 105424433314232 |
7 | 6364541135066 |
oct | 1245012625454 |
9 | 280482542072 |
10 | 90868230956 |
11 | 3559a824938 |
12 | 1573b705978 |
13 | 87519746c9 |
14 | 4580348736 |
15 | 256c6d043b |
hex | 15282b2b2c |
90868230956 has 12 divisors (see below), whose sum is σ = 162897926520. Its totient is φ = 44325966240.
The previous prime is 90868230889. The next prime is 90868231001. The reversal of 90868230956 is 65903286809.
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, 277037126 + ... + 277037453.
It is an arithmetic number, because the mean of its divisors is an integer number (13574827210).
Almost surely, 290868230956 is an apocalyptic number.
It is an amenable number.
90868230956 is a deficient number, since it is larger than the sum of its proper divisors (72029695564).
90868230956 is a wasteful number, since it uses less digits than its factorization.
90868230956 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 554074624 (or 554074622 counting only the distinct ones).
The product of its (nonzero) digits is 5598720, while the sum is 56.
The spelling of 90868230956 in words is "ninety billion, eight hundred sixty-eight million, two hundred thirty thousand, nine hundred fifty-six".
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