Base | Representation |
---|---|
bin | 1001001111001010011111… |
… | …01011100001101110110000 |
3 | 2122220211102201202022210011 |
4 | 10213211033223201232300 |
5 | 10130243430202400300 |
6 | 111111151331544304 |
7 | 4164340113025606 |
oct | 447451753415660 |
9 | 78824381668704 |
10 | 20312237153200 |
11 | 652140a374693 |
12 | 234079315b094 |
13 | b4458843c2a5 |
14 | 5031906b1876 |
15 | 25357ba0ceba |
hex | 12794fae1bb0 |
20312237153200 has 120 divisors (see below), whose sum is σ = 53452497214080. Its totient is φ = 7383271526400.
The previous prime is 20312237153191. The next prime is 20312237153207. The reversal of 20312237153200 is 235173221302.
It is not an unprimeable number, because it can be changed into a prime (20312237153207) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51304416 + ... + 51698815.
It is an arithmetic number, because the mean of its divisors is an integer number (445437476784).
Almost surely, 220312237153200 is an apocalyptic number.
20312237153200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20312237153200 is an abundant number, since it is smaller than the sum of its proper divisors (33140260060880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20312237153200 is a wasteful number, since it uses less digits than its factorization.
20312237153200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103003295 (or 103003284 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 31.
The spelling of 20312237153200 in words is "twenty trillion, three hundred twelve billion, two hundred thirty-seven million, one hundred fifty-three thousand, two hundred".
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