Base | Representation |
---|---|
bin | 11010001101001010111… |
… | …01110110010100010001 |
3 | 10012002011010001012121112 |
4 | 31012211131312110101 |
5 | 104223032100331121 |
6 | 1525352120103105 |
7 | 122024231450111 |
oct | 15064535662421 |
9 | 3162133035545 |
10 | 900424230161 |
11 | 317960005235 |
12 | 126612304a95 |
13 | 66ba9632381 |
14 | 3181b897041 |
15 | 1864e8c975b |
hex | d1a5776511 |
900424230161 has 2 divisors, whose sum is σ = 900424230162. Its totient is φ = 900424230160.
The previous prime is 900424230131. The next prime is 900424230169. The reversal of 900424230161 is 161032424009.
900424230161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 821867351761 + 78556878400 = 906569^2 + 280280^2 .
It is a cyclic number.
It is not a de Polignac number, because 900424230161 - 226 = 900357121297 is a prime.
It is a super-2 number, since 2×9004242301612 (a number of 25 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (900424230169) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450212115080 + 450212115081.
It is an arithmetic number, because the mean of its divisors is an integer number (450212115081).
Almost surely, 2900424230161 is an apocalyptic number.
It is an amenable number.
900424230161 is a deficient number, since it is larger than the sum of its proper divisors (1).
900424230161 is an equidigital number, since it uses as much as digits as its factorization.
900424230161 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10368, while the sum is 32.
The spelling of 900424230161 in words is "nine hundred billion, four hundred twenty-four million, two hundred thirty thousand, one hundred sixty-one".
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