Base | Representation |
---|---|
bin | 100001111101101011… |
… | …0111100100000001100 |
3 | 20222021002000210122100 |
4 | 1003323112330200030 |
5 | 2143333230313230 |
6 | 53301231515100 |
7 | 5161302432540 |
oct | 1037326744014 |
9 | 228232023570 |
10 | 72936572940 |
11 | 28a28880860 |
12 | 12176388a90 |
13 | 6b5495208a |
14 | 375ca2ba20 |
15 | 1d6d326660 |
hex | 10fb5bc80c |
72936572940 has 144 divisors (see below), whose sum is σ = 275832910080. Its totient is φ = 15155648640.
The previous prime is 72936572921. The next prime is 72936572957. The reversal of 72936572940 is 4927563927.
72936572940 is a `hidden beast` number, since 7 + 29 + 3 + 6 + 572 + 9 + 40 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2617330 + ... + 2645049.
It is an arithmetic number, because the mean of its divisors is an integer number (1915506320).
Almost surely, 272936572940 is an apocalyptic number.
72936572940 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
72936572940 is an abundant number, since it is smaller than the sum of its proper divisors (202896337140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72936572940 is a wasteful number, since it uses less digits than its factorization.
72936572940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5262412 (or 5262407 counting only the distinct ones).
The product of its (nonzero) digits is 5715360, while the sum is 54.
The spelling of 72936572940 in words is "seventy-two billion, nine hundred thirty-six million, five hundred seventy-two thousand, nine hundred forty".
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