Base | Representation |
---|---|
bin | 10101011101101111… |
… | …001110100010101011 |
3 | 2012111012221012110022 |
4 | 111131233032202223 |
5 | 334200124413044 |
6 | 14330551511055 |
7 | 1444065333266 |
oct | 253557164253 |
9 | 65435835408 |
10 | 23047497899 |
11 | 9857791328 |
12 | 457268848b |
13 | 2233b7c72a |
14 | 1188d33cdd |
15 | 8ed5933ee |
hex | 55dbce8ab |
23047497899 has 2 divisors, whose sum is σ = 23047497900. Its totient is φ = 23047497898.
The previous prime is 23047497871. The next prime is 23047497911. The reversal of 23047497899 is 99879474032.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 23047497899 - 212 = 23047493803 is a prime.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (23047497859) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11523748949 + 11523748950.
It is an arithmetic number, because the mean of its divisors is an integer number (11523748950).
Almost surely, 223047497899 is an apocalyptic number.
23047497899 is a deficient number, since it is larger than the sum of its proper divisors (1).
23047497899 is an equidigital number, since it uses as much as digits as its factorization.
23047497899 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 27433728, while the sum is 62.
The spelling of 23047497899 in words is "twenty-three billion, forty-seven million, four hundred ninety-seven thousand, eight hundred ninety-nine".
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