Base | Representation |
---|---|
bin | 10101011100110010… |
… | …101100111001011101 |
3 | 2012110010002002210011 |
4 | 111130302230321131 |
5 | 334132044201303 |
6 | 14325223443221 |
7 | 1443513431365 |
oct | 253462547135 |
9 | 65403062704 |
10 | 23031631453 |
11 | 9849834666 |
12 | 45692b6511 |
13 | 22307b58bc |
14 | 1186ba39a5 |
15 | 8ebeac16d |
hex | 55ccace5d |
23031631453 has 2 divisors, whose sum is σ = 23031631454. Its totient is φ = 23031631452.
The previous prime is 23031631429. The next prime is 23031631459. The reversal of 23031631453 is 35413613032.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 22753308964 + 278322489 = 150842^2 + 16683^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23031631453 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23031631459) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515815726 + 11515815727.
It is an arithmetic number, because the mean of its divisors is an integer number (11515815727).
Almost surely, 223031631453 is an apocalyptic number.
It is an amenable number.
23031631453 is a deficient number, since it is larger than the sum of its proper divisors (1).
23031631453 is an equidigital number, since it uses as much as digits as its factorization.
23031631453 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 19440, while the sum is 31.
The spelling of 23031631453 in words is "twenty-three billion, thirty-one million, six hundred thirty-one thousand, four hundred fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •