Base | Representation |
---|---|
bin | 10100100111001000… |
… | …101001000111010101 |
3 | 2010010101011021212001 |
4 | 110213020221013111 |
5 | 330311120212321 |
6 | 14100024555301 |
7 | 1412302624213 |
oct | 244710510725 |
9 | 63111137761 |
10 | 22131413461 |
11 | 9427673553 |
12 | 4357922b31 |
13 | 2119143c31 |
14 | 10dd3cbcb3 |
15 | 897e3ac91 |
hex | 5272291d5 |
22131413461 has 2 divisors, whose sum is σ = 22131413462. Its totient is φ = 22131413460.
The previous prime is 22131413413. The next prime is 22131413527. The reversal of 22131413461 is 16431413122.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 20418695236 + 1712718225 = 142894^2 + 41385^2 .
It is a cyclic number.
It is not a de Polignac number, because 22131413461 - 217 = 22131282389 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22131413261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065706730 + 11065706731.
It is an arithmetic number, because the mean of its divisors is an integer number (11065706731).
Almost surely, 222131413461 is an apocalyptic number.
It is an amenable number.
22131413461 is a deficient number, since it is larger than the sum of its proper divisors (1).
22131413461 is an equidigital number, since it uses as much as digits as its factorization.
22131413461 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3456, while the sum is 28.
Adding to 22131413461 its reverse (16431413122), we get a palindrome (38562826583).
The spelling of 22131413461 in words is "twenty-two billion, one hundred thirty-one million, four hundred thirteen thousand, four hundred sixty-one".
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