Base | Representation |
---|---|
bin | 11100110001100001… |
… | …110100000010101000 |
3 | 2221202011202010020220 |
4 | 130301201310002220 |
5 | 1001233300443233 |
6 | 22105430250040 |
7 | 2142424163151 |
oct | 346141640250 |
9 | 87664663226 |
10 | 30895718568 |
11 | 12114911710 |
12 | 5ba2ab6920 |
13 | 2bb4b1caa0 |
14 | 16d13ac928 |
15 | c0c5abeb3 |
hex | 7318740a8 |
30895718568 has 64 divisors (see below), whose sum is σ = 90742680000. Its totient is φ = 8642158080.
The previous prime is 30895718521. The next prime is 30895718597. The reversal of 30895718568 is 86581759803.
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, 4497693 + ... + 4504556.
It is an arithmetic number, because the mean of its divisors is an integer number (1417854375).
Almost surely, 230895718568 is an apocalyptic number.
It is an amenable number.
30895718568 is an abundant number, since it is smaller than the sum of its proper divisors (59846961432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30895718568 is a wasteful number, since it uses less digits than its factorization.
30895718568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9002282 (or 9002278 counting only the distinct ones).
The product of its (nonzero) digits is 14515200, while the sum is 60.
The spelling of 30895718568 in words is "thirty billion, eight hundred ninety-five million, seven hundred eighteen thousand, five hundred sixty-eight".
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