Base | Representation |
---|---|
bin | 10100111000111111… |
… | …100110101100010011 |
3 | 2010220020221121010220 |
4 | 110320333212230103 |
5 | 331414321043011 |
6 | 14145450524123 |
7 | 1422601433652 |
oct | 247077465423 |
9 | 63806847126 |
10 | 22431034131 |
11 | 9570808a40 |
12 | 4420136643 |
13 | 216623b17c |
14 | 112b103199 |
15 | 8b43c2506 |
hex | 538fe6b13 |
22431034131 has 64 divisors (see below), whose sum is σ = 33693843456. Its totient is φ = 13159094400.
The previous prime is 22431034123. The next prime is 22431034163. The reversal of 22431034131 is 13143013422.
It is a happy number.
It is not a de Polignac number, because 22431034131 - 23 = 22431034123 is a prime.
It is a super-2 number, since 2×224310341312 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (22431034181) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48031960 + ... + 48032426.
It is an arithmetic number, because the mean of its divisors is an integer number (526466304).
Almost surely, 222431034131 is an apocalyptic number.
22431034131 is a deficient number, since it is larger than the sum of its proper divisors (11262809325).
22431034131 is a wasteful number, since it uses less digits than its factorization.
22431034131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 872.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 22431034131 its reverse (13143013422), we get a palindrome (35574047553).
The spelling of 22431034131 in words is "twenty-two billion, four hundred thirty-one million, thirty-four thousand, one hundred thirty-one".
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