Base | Representation |
---|---|
bin | 10010101110110001… |
… | …001100010000110001 |
3 | 1220220122021110102201 |
4 | 102232301030100301 |
5 | 312142133000144 |
6 | 13123405543201 |
7 | 1311252115441 |
oct | 225661142061 |
9 | 56818243381 |
10 | 20112000049 |
11 | 8590777349 |
12 | 3a93574b01 |
13 | 1b8696045b |
14 | d8b11c121 |
15 | 7ca9e11d4 |
hex | 4aec4c431 |
20112000049 has 2 divisors, whose sum is σ = 20112000050. Its totient is φ = 20112000048.
The previous prime is 20112000017. The next prime is 20112000089. The reversal of 20112000049 is 94000021102.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 14596264225 + 5515735824 = 120815^2 + 74268^2 .
It is a cyclic number.
It is not a de Polignac number, because 20112000049 - 25 = 20112000017 is a prime.
It is not a weakly prime, because it can be changed into another prime (20112000089) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056000024 + 10056000025.
It is an arithmetic number, because the mean of its divisors is an integer number (10056000025).
Almost surely, 220112000049 is an apocalyptic number.
It is an amenable number.
20112000049 is a deficient number, since it is larger than the sum of its proper divisors (1).
20112000049 is an equidigital number, since it uses as much as digits as its factorization.
20112000049 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 19.
The spelling of 20112000049 in words is "twenty billion, one hundred twelve million, forty-nine", and thus it is an aban number.
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