Base | Representation |
---|---|
bin | 11100011110001101… |
… | …101001001010000000 |
3 | 2220220120222102221212 |
4 | 130132031221022000 |
5 | 1000102321222000 |
6 | 22013332505252 |
7 | 2131410566513 |
oct | 343615511200 |
9 | 86816872855 |
10 | 30571664000 |
11 | 11a689a8719 |
12 | 5b1247b228 |
13 | 2b6294c217 |
14 | 16a0336d7a |
15 | bdddeac35 |
hex | 71e369280 |
30571664000 has 64 divisors (see below), whose sum is σ = 76008839400. Its totient is φ = 12228659200.
The previous prime is 30571663999. The next prime is 30571664051. The reversal of 30571664000 is 46617503.
It can be written as a sum of positive squares in 4 ways, for example, as 17232337984 + 13339326016 = 131272^2 + 115496^2 .
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (32).
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, 939365 + ... + 971364.
Almost surely, 230571664000 is an apocalyptic number.
It is an amenable number.
30571664000 is an abundant number, since it is smaller than the sum of its proper divisors (45437175400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30571664000 is an equidigital number, since it uses as much as digits as its factorization.
30571664000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1910758 (or 1910736 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 32.
The spelling of 30571664000 in words is "thirty billion, five hundred seventy-one million, six hundred sixty-four thousand".
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