Base | Representation |
---|---|
bin | 10110001110001110… |
… | …110011001001101001 |
3 | 2021120220211111012221 |
4 | 112032032303021221 |
5 | 342331414040211 |
6 | 14543413434041 |
7 | 1503204560614 |
oct | 261616631151 |
9 | 67526744187 |
10 | 23861080681 |
11 | a134a5a099 |
12 | 475b03b921 |
13 | 23335a9b69 |
14 | 1224dd717b |
15 | 949beec71 |
hex | 58e3b3269 |
23861080681 has 2 divisors, whose sum is σ = 23861080682. Its totient is φ = 23861080680.
The previous prime is 23861080637. The next prime is 23861080699. The reversal of 23861080681 is 18608016832.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 20891811600 + 2969269081 = 144540^2 + 54491^2 .
It is a cyclic number.
It is not a de Polignac number, because 23861080681 - 213 = 23861072489 is a prime.
It is a super-2 number, since 2×238610806812 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (23861080181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11930540340 + 11930540341.
It is an arithmetic number, because the mean of its divisors is an integer number (11930540341).
Almost surely, 223861080681 is an apocalyptic number.
It is an amenable number.
23861080681 is a deficient number, since it is larger than the sum of its proper divisors (1).
23861080681 is an equidigital number, since it uses as much as digits as its factorization.
23861080681 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 110592, while the sum is 43.
The spelling of 23861080681 in words is "twenty-three billion, eight hundred sixty-one million, eighty thousand, six hundred eighty-one".
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