Base | Representation |
---|---|
bin | 11100001111000101… |
… | …001100010100011100 |
3 | 2220020220021022222100 |
4 | 130033011030110130 |
5 | 444042323243432 |
6 | 21532223245100 |
7 | 2122205652513 |
oct | 341705142434 |
9 | 86226238870 |
10 | 30317790492 |
11 | 11948669800 |
12 | 5a61449790 |
13 | 2b22181702 |
14 | 167872d67a |
15 | bc699e07c |
hex | 70f14c51c |
30317790492 has 108 divisors (see below), whose sum is σ = 87899731920. Its totient is φ = 8787736320.
The previous prime is 30317790473. The next prime is 30317790509. The reversal of 30317790492 is 29409771303.
30317790492 is a `hidden beast` number, since 3 + 0 + 3 + 1 + 77 + 90 + 492 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51117 + ... + 251492.
Almost surely, 230317790492 is an apocalyptic number.
It is an amenable number.
30317790492 is an abundant number, since it is smaller than the sum of its proper divisors (57581941428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30317790492 is a wasteful number, since it uses less digits than its factorization.
30317790492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 302664 (or 302648 counting only the distinct ones).
The product of its (nonzero) digits is 285768, while the sum is 45.
The spelling of 30317790492 in words is "thirty billion, three hundred seventeen million, seven hundred ninety thousand, four hundred ninety-two".
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