Base | Representation |
---|---|
bin | 10011010111010101… |
… | …011111111001010001 |
3 | 1222200001221211200020 |
4 | 103113111133321101 |
5 | 320040401400124 |
6 | 13315121414053 |
7 | 1334155144260 |
oct | 232725377121 |
9 | 58601854606 |
10 | 20792606289 |
11 | 88aa97a944 |
12 | 404349a329 |
13 | 1c6496c340 |
14 | 10136885d7 |
15 | 81a632379 |
hex | 4d755fe51 |
20792606289 has 32 divisors (see below), whose sum is σ = 34459079424. Its totient is φ = 10858924800.
The previous prime is 20792606207. The next prime is 20792606291. The reversal of 20792606289 is 98260629702.
It is not a de Polignac number, because 20792606289 - 28 = 20792606033 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20792606089) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349474 + ... + 404619.
It is an arithmetic number, because the mean of its divisors is an integer number (1076846232).
Almost surely, 220792606289 is an apocalyptic number.
It is an amenable number.
20792606289 is a deficient number, since it is larger than the sum of its proper divisors (13666473135).
20792606289 is a wasteful number, since it uses less digits than its factorization.
20792606289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 754217.
The product of its (nonzero) digits is 1306368, while the sum is 51.
The spelling of 20792606289 in words is "twenty billion, seven hundred ninety-two million, six hundred six thousand, two hundred eighty-nine".
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