Base | Representation |
---|---|
bin | 11100101010000101… |
… | …110000100100011000 |
3 | 2221102110220220000110 |
4 | 130222011300210120 |
5 | 1001004324030200 |
6 | 22045211404320 |
7 | 2136350352051 |
oct | 345205604430 |
9 | 87373826013 |
10 | 30770923800 |
11 | 12060425541 |
12 | 5b691536a0 |
13 | 2b95007626 |
14 | 16bc9a5728 |
15 | c0165ab50 |
hex | 72a170918 |
30770923800 has 48 divisors (see below), whose sum is σ = 95389865640. Its totient is φ = 8205579520.
The previous prime is 30770923739. The next prime is 30770923811. The reversal of 30770923800 is 832907703.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25641837 + ... + 25643036.
Almost surely, 230770923800 is an apocalyptic number.
30770923800 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30770923800 is an abundant number, since it is smaller than the sum of its proper divisors (64618941840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30770923800 is a wasteful number, since it uses less digits than its factorization.
30770923800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51284892 (or 51284883 counting only the distinct ones).
The product of its (nonzero) digits is 63504, while the sum is 39.
The spelling of 30770923800 in words is "thirty billion, seven hundred seventy million, nine hundred twenty-three thousand, eight hundred".
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