Base | Representation |
---|---|
bin | 11100101001011110… |
… | …001110010111010000 |
3 | 2221101202102100122222 |
4 | 130221132032113100 |
5 | 1000444200410310 |
6 | 22044201320212 |
7 | 2136163306115 |
oct | 345136162720 |
9 | 87352370588 |
10 | 30760560080 |
11 | 12055597088 |
12 | 5b65796068 |
13 | 2b92b19353 |
14 | 16bb46890c |
15 | c007b0055 |
hex | 72978e5d0 |
30760560080 has 40 divisors (see below), whose sum is σ = 71713243392. Its totient is φ = 12270685824.
The previous prime is 30760560073. The next prime is 30760560137. The reversal of 30760560080 is 8006506703.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (40).
It is a self number, because there is not a number n which added to its sum of digits gives 30760560080.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494492 + ... + 553211.
Almost surely, 230760560080 is an apocalyptic number.
It is an amenable number.
30760560080 is an abundant number, since it is smaller than the sum of its proper divisors (40952683312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30760560080 is a wasteful number, since it uses less digits than its factorization.
30760560080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1048083 (or 1048077 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 35.
The spelling of 30760560080 in words is "thirty billion, seven hundred sixty million, five hundred sixty thousand, eighty".
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