Base | Representation |
---|---|
bin | 11100000001010100… |
… | …101000101110000000 |
3 | 2212122210220211021000 |
4 | 130001110220232000 |
5 | 443104230123302 |
6 | 21453255532000 |
7 | 2113403631402 |
oct | 340124505600 |
9 | 85583824230 |
10 | 30086957952 |
11 | 1183a337907 |
12 | 59b808a000 |
13 | 2ab63c04cc |
14 | 1655c02b72 |
15 | bb15a431c |
hex | 701528b80 |
30086957952 has 128 divisors (see below), whose sum is σ = 94021927200. Its totient is φ = 9439027200.
The previous prime is 30086957939. The next prime is 30086957977. The reversal of 30086957952 is 25975968003.
30086957952 is a `hidden beast` number, since 3 + 0 + 0 + 8 + 69 + 579 + 5 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
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, 197299 + ... + 314802.
Almost surely, 230086957952 is an apocalyptic number.
30086957952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30086957952 is an abundant number, since it is smaller than the sum of its proper divisors (63934969248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30086957952 is a wasteful number, since it uses less digits than its factorization.
30086957952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 512141 (or 512123 counting only the distinct ones).
The product of its (nonzero) digits is 4082400, while the sum is 54.
The spelling of 30086957952 in words is "thirty billion, eighty-six million, nine hundred fifty-seven thousand, nine hundred fifty-two".
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