Base | Representation |
---|---|
bin | 10101100110111100… |
… | …001001001110011111 |
3 | 2012212222102120102202 |
4 | 111212330021032133 |
5 | 340004140111233 |
6 | 14354144442115 |
7 | 1450651500635 |
oct | 254674111637 |
9 | 65788376382 |
10 | 23201878943 |
11 | 9926946071 |
12 | 45b631933b |
13 | 2259b53769 |
14 | 11a163d355 |
15 | 90bddabe8 |
hex | 566f0939f |
23201878943 has 2 divisors, whose sum is σ = 23201878944. Its totient is φ = 23201878942.
The previous prime is 23201878927. The next prime is 23201878949. The reversal of 23201878943 is 34987810232.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 23201878943 - 24 = 23201878927 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23201878949) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600939471 + 11600939472.
It is an arithmetic number, because the mean of its divisors is an integer number (11600939472).
Almost surely, 223201878943 is an apocalyptic number.
23201878943 is a deficient number, since it is larger than the sum of its proper divisors (1).
23201878943 is an equidigital number, since it uses as much as digits as its factorization.
23201878943 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 580608, while the sum is 47.
The spelling of 23201878943 in words is "twenty-three billion, two hundred one million, eight hundred seventy-eight thousand, nine hundred forty-three".
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