Base | Representation |
---|---|
bin | 10110001111111000… |
… | …110001001110110001 |
3 | 2021122212002211101121 |
4 | 112033320301032301 |
5 | 342411022010311 |
6 | 14550245102241 |
7 | 1503662650252 |
oct | 261770611661 |
9 | 67585084347 |
10 | 23888860081 |
11 | a149703179 |
12 | 47683b7981 |
13 | 2339285188 |
14 | 1228988b29 |
15 | 94c38ab71 |
hex | 58fe313b1 |
23888860081 has 2 divisors, whose sum is σ = 23888860082. Its totient is φ = 23888860080.
The previous prime is 23888860057. The next prime is 23888860087. The reversal of 23888860081 is 18006888832.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 14903526400 + 8985333681 = 122080^2 + 94791^2 .
It is a cyclic number.
It is not a de Polignac number, because 23888860081 - 29 = 23888859569 is a prime.
It is a super-2 number, since 2×238888600812 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (23888860087) 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, 11944430040 + 11944430041.
It is an arithmetic number, because the mean of its divisors is an integer number (11944430041).
Almost surely, 223888860081 is an apocalyptic number.
It is an amenable number.
23888860081 is a deficient number, since it is larger than the sum of its proper divisors (1).
23888860081 is an equidigital number, since it uses as much as digits as its factorization.
23888860081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1179648, while the sum is 52.
The spelling of 23888860081 in words is "twenty-three billion, eight hundred eighty-eight million, eight hundred sixty thousand, eighty-one".
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