Base | Representation |
---|---|
bin | 10101111011011001… |
… | …010000010011111001 |
3 | 2020202220011200201222 |
4 | 111323121100103321 |
5 | 341210013220312 |
6 | 14452204121425 |
7 | 1462316442431 |
oct | 257331202371 |
9 | 66686150658 |
10 | 23545054457 |
11 | 9a926299a1 |
12 | 4691236275 |
13 | 22b2c8a5b2 |
14 | 11d50512c1 |
15 | 92c0c7672 |
hex | 57b6504f9 |
23545054457 has 2 divisors, whose sum is σ = 23545054458. Its totient is φ = 23545054456.
The previous prime is 23545054433. The next prime is 23545054549. The reversal of 23545054457 is 75445054532.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 15189083536 + 8355970921 = 123244^2 + 91411^2 .
It is a cyclic number.
It is not a de Polignac number, because 23545054457 - 214 = 23545038073 is a prime.
It is not a weakly prime, because it can be changed into another prime (23545054427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11772527228 + 11772527229.
It is an arithmetic number, because the mean of its divisors is an integer number (11772527229).
Almost surely, 223545054457 is an apocalyptic number.
It is an amenable number.
23545054457 is a deficient number, since it is larger than the sum of its proper divisors (1).
23545054457 is an equidigital number, since it uses as much as digits as its factorization.
23545054457 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1680000, while the sum is 44.
The spelling of 23545054457 in words is "twenty-three billion, five hundred forty-five million, fifty-four thousand, four hundred fifty-seven".
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