Base | Representation |
---|---|
bin | 10101101001001110… |
… | …100010010111010011 |
3 | 2012222122122021101122 |
4 | 111221032202113103 |
5 | 340044001124211 |
6 | 14402035152455 |
7 | 1451625623165 |
oct | 255116422723 |
9 | 65878567348 |
10 | 23240254931 |
11 | 9946577563 |
12 | 460714572b |
13 | 2264a9c04a |
14 | 11a678c935 |
15 | 91046b6db |
hex | 5693a25d3 |
23240254931 has 2 divisors, whose sum is σ = 23240254932. Its totient is φ = 23240254930.
The previous prime is 23240254897. The next prime is 23240254979. The reversal of 23240254931 is 13945204232.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 23240254931 - 26 = 23240254867 is a prime.
It is a super-2 number, since 2×232402549312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23240254891 and 23240254900.
It is not a weakly prime, because it can be changed into another prime (23240254831) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11620127465 + 11620127466.
It is an arithmetic number, because the mean of its divisors is an integer number (11620127466).
Almost surely, 223240254931 is an apocalyptic number.
23240254931 is a deficient number, since it is larger than the sum of its proper divisors (1).
23240254931 is an equidigital number, since it uses as much as digits as its factorization.
23240254931 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 51840, while the sum is 35.
The spelling of 23240254931 in words is "twenty-three billion, two hundred forty million, two hundred fifty-four thousand, nine hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •