Base | Representation |
---|---|
bin | 10101011010111110… |
… | …101100100011111011 |
3 | 2012100222212002222211 |
4 | 111122332230203323 |
5 | 334101303040441 |
6 | 14322215555551 |
7 | 1442664104302 |
oct | 253276544373 |
9 | 65328762884 |
10 | 23001221371 |
11 | 9833654067 |
12 | 455b08bbb7 |
13 | 22273c907b |
14 | 1182b29439 |
15 | 8e94a1a81 |
hex | 55afac8fb |
23001221371 has 2 divisors, whose sum is σ = 23001221372. Its totient is φ = 23001221370.
The previous prime is 23001221317. The next prime is 23001221417. The reversal of 23001221371 is 17312210032.
It is a happy number.
Together with previous prime (23001221317) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 23001221371 - 221 = 22999124219 is a prime.
It is not a weakly prime, because it can be changed into another prime (23001221671) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500610685 + 11500610686.
It is an arithmetic number, because the mean of its divisors is an integer number (11500610686).
Almost surely, 223001221371 is an apocalyptic number.
23001221371 is a deficient number, since it is larger than the sum of its proper divisors (1).
23001221371 is an equidigital number, since it uses as much as digits as its factorization.
23001221371 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 504, while the sum is 22.
The spelling of 23001221371 in words is "twenty-three billion, one million, two hundred twenty-one thousand, three hundred seventy-one".
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