Base | Representation |
---|---|
bin | 10100100101011000… |
… | …110101000001110011 |
3 | 2010001100000010021020 |
4 | 110211120311001303 |
5 | 330231114232011 |
6 | 14053100430523 |
7 | 1411465524354 |
oct | 244530650163 |
9 | 63040003236 |
10 | 22102102131 |
11 | 941207350a |
12 | 4349b48443 |
13 | 2113050555 |
14 | 10d955bd2b |
15 | 89559b006 |
hex | 525635073 |
22102102131 has 32 divisors (see below), whose sum is σ = 30071166720. Its totient is φ = 14437564416.
The previous prime is 22102102117. The next prime is 22102102151. The reversal of 22102102131 is 13120120122.
It is not a de Polignac number, because 22102102131 - 27 = 22102102003 is a prime.
It is a super-2 number, since 2×221021021312 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 22102102131.
It is not an unprimeable number, because it can be changed into a prime (22102102151) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23338600 + ... + 23339546.
It is an arithmetic number, because the mean of its divisors is an integer number (939723960).
Almost surely, 222102102131 is an apocalyptic number.
22102102131 is a deficient number, since it is larger than the sum of its proper divisors (7969064589).
22102102131 is a wasteful number, since it uses less digits than its factorization.
22102102131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1763.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 22102102131 its reverse (13120120122), we get a palindrome (35222222253).
The spelling of 22102102131 in words is "twenty-two billion, one hundred two million, one hundred two thousand, one hundred thirty-one".
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