Base | Representation |
---|---|
bin | 11100011111011010… |
… | …110101111110011000 |
3 | 2220222000001121201022 |
4 | 130133122311332120 |
5 | 1000123011322332 |
6 | 22015334342012 |
7 | 2132044605320 |
oct | 343732657630 |
9 | 86860047638 |
10 | 30591901592 |
11 | 11a793704aa |
12 | 5b191ba908 |
13 | 2b66bb6825 |
14 | 16a2cc4280 |
15 | be0a97212 |
hex | 71f6b5f98 |
30591901592 has 32 divisors (see below), whose sum is σ = 65589225120. Its totient is φ = 13103784960.
The previous prime is 30591901567. The next prime is 30591901601. The reversal of 30591901592 is 29510919503.
It is a super-2 number, since 2×305919015922 (a number of 22 digits) contains 22 as substring.
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, 40409 + ... + 250632.
It is an arithmetic number, because the mean of its divisors is an integer number (2049663285).
Almost surely, 230591901592 is an apocalyptic number.
It is an amenable number.
30591901592 is an abundant number, since it is smaller than the sum of its proper divisors (34997323528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30591901592 is a wasteful number, since it uses less digits than its factorization.
30591901592 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 292931 (or 292927 counting only the distinct ones).
The product of its (nonzero) digits is 109350, while the sum is 44.
The spelling of 30591901592 in words is "thirty billion, five hundred ninety-one million, nine hundred one thousand, five hundred ninety-two".
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