Base | Representation |
---|---|
bin | 10010101011100110… |
… | …101001100000110111 |
3 | 1220202221100221012202 |
4 | 102223212221200313 |
5 | 312040034422011 |
6 | 13114231535115 |
7 | 1310035606343 |
oct | 225346514067 |
9 | 56687327182 |
10 | 20058904631 |
11 | 8563801a37 |
12 | 3a7982a49b |
13 | 1b7896014c |
14 | d8405a623 |
15 | 7c600423b |
hex | 4ab9a9837 |
20058904631 has 2 divisors, whose sum is σ = 20058904632. Its totient is φ = 20058904630.
The previous prime is 20058904583. The next prime is 20058904633. The reversal of 20058904631 is 13640985002.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20058904631 is a prime.
It is a super-2 number, since 2×200589046312 (a number of 21 digits) contains 22 as substring.
Together with 20058904633, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20058904633) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10029452315 + 10029452316.
It is an arithmetic number, because the mean of its divisors is an integer number (10029452316).
Almost surely, 220058904631 is an apocalyptic number.
20058904631 is a deficient number, since it is larger than the sum of its proper divisors (1).
20058904631 is an equidigital number, since it uses as much as digits as its factorization.
20058904631 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 51840, while the sum is 38.
The spelling of 20058904631 in words is "twenty billion, fifty-eight million, nine hundred four thousand, six hundred thirty-one".
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