Base | Representation |
---|---|
bin | 10010101110011111… |
… | …001110101110111111 |
3 | 1220220022102020122002 |
4 | 102232133032232333 |
5 | 312134431312313 |
6 | 13123121012515 |
7 | 1311164105231 |
oct | 225637165677 |
9 | 56808366562 |
10 | 20107291583 |
11 | 8589050855 |
12 | 3a91a8413b |
13 | 1b859a2292 |
14 | d8a654251 |
15 | 7ca3b1058 |
hex | 4ae7cebbf |
20107291583 has 2 divisors, whose sum is σ = 20107291584. Its totient is φ = 20107291582.
The previous prime is 20107291559. The next prime is 20107291601. The reversal of 20107291583 is 38519270102.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20107291583 - 210 = 20107290559 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20107291513) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10053645791 + 10053645792.
It is an arithmetic number, because the mean of its divisors is an integer number (10053645792).
Almost surely, 220107291583 is an apocalyptic number.
20107291583 is a deficient number, since it is larger than the sum of its proper divisors (1).
20107291583 is an equidigital number, since it uses as much as digits as its factorization.
20107291583 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 30240, while the sum is 38.
The spelling of 20107291583 in words is "twenty billion, one hundred seven million, two hundred ninety-one thousand, five hundred eighty-three".
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