Base | Representation |
---|---|
bin | 10010111010110110… |
… | …101101001101101011 |
3 | 1221102202211100201020 |
4 | 102322312231031223 |
5 | 313101040203311 |
6 | 13155452023523 |
7 | 1316263500330 |
oct | 227266551553 |
9 | 57382740636 |
10 | 20314772331 |
11 | 8685183147 |
12 | 3b2b461ba3 |
13 | 1bb9978559 |
14 | daa022987 |
15 | 7dd6e6c06 |
hex | 4badad36b |
20314772331 has 8 divisors (see below), whose sum is σ = 30955843584. Its totient is φ = 11608441320.
The previous prime is 20314772329. The next prime is 20314772383. The reversal of 20314772331 is 13327741302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20314772331 - 21 = 20314772329 is a prime.
It is a super-2 number, since 2×203147723312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20314772292 and 20314772301.
It is not an unprimeable number, because it can be changed into a prime (20314772321) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483685035 + ... + 483685076.
It is an arithmetic number, because the mean of its divisors is an integer number (3869480448).
Almost surely, 220314772331 is an apocalyptic number.
20314772331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
20314772331 is a deficient number, since it is larger than the sum of its proper divisors (10641071253).
20314772331 is an equidigital number, since it uses as much as digits as its factorization.
20314772331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 967370121.
The product of its (nonzero) digits is 21168, while the sum is 33.
The spelling of 20314772331 in words is "twenty billion, three hundred fourteen million, seven hundred seventy-two thousand, three hundred thirty-one".
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