Base | Representation |
---|---|
bin | 10100101100100010… |
… | …100101111001110011 |
3 | 2010100200210202022200 |
4 | 110230202211321303 |
5 | 331002324232011 |
6 | 14113024434243 |
7 | 1414453515525 |
oct | 245442457163 |
9 | 63320722280 |
10 | 22222102131 |
11 | 9473885269 |
12 | 4382178983 |
13 | 2131b77478 |
14 | 110b477a15 |
15 | 8a0da1856 |
hex | 52c8a5e73 |
22222102131 has 24 divisors (see below), whose sum is σ = 32927110944. Its totient is φ = 14433344640.
The previous prime is 22222102103. The next prime is 22222102169. The reversal of 22222102131 is 13120122222.
It is not a de Polignac number, because 22222102131 - 211 = 22222100083 is a prime.
It is a super-2 number, since 2×222221021312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (22222102171) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226845 + ... + 309681.
It is an arithmetic number, because the mean of its divisors is an integer number (1371962956).
Almost surely, 222222102131 is an apocalyptic number.
22222102131 is a deficient number, since it is larger than the sum of its proper divisors (10705008813).
22222102131 is a wasteful number, since it uses less digits than its factorization.
22222102131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83611 (or 83608 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 22222102131 its reverse (13120122222), we get a palindrome (35342224353).
The spelling of 22222102131 in words is "twenty-two billion, two hundred twenty-two million, one hundred two thousand, one hundred thirty-one".
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