Base | Representation |
---|---|
bin | 1001001111001011010000… |
… | …11100000111010000110001 |
3 | 2122220212111200101022111111 |
4 | 10213211220130013100301 |
5 | 10130300303022334100 |
6 | 111111300451113321 |
7 | 4164353315545633 |
oct | 447455034072061 |
9 | 78825450338444 |
10 | 20312652543025 |
11 | 65216028a1167 |
12 | 234088a2a2841 |
13 | b4462350b79b |
14 | 5031cd920a53 |
15 | 2535a32116ba |
hex | 127968707431 |
20312652543025 has 12 divisors (see below), whose sum is σ = 25200289360000. Its totient is φ = 16241992868880.
The previous prime is 20312652543011. The next prime is 20312652543061. The reversal of 20312652543025 is 52034525621302.
It is not a de Polignac number, because 20312652543025 - 233 = 20304062608433 is a prime.
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, 203178165 + ... + 203278114.
Almost surely, 220312652543025 is an apocalyptic number.
20312652543025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20312652543025 is a deficient number, since it is larger than the sum of its proper divisors (4887636816975).
20312652543025 is a wasteful number, since it uses less digits than its factorization.
20312652543025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 406458288 (or 406458283 counting only the distinct ones).
The product of its (nonzero) digits is 432000, while the sum is 40.
The spelling of 20312652543025 in words is "twenty trillion, three hundred twelve billion, six hundred fifty-two million, five hundred forty-three thousand, twenty-five".
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