Base | Representation |
---|---|
bin | 111001011000100110… |
… | …1100010010111000011 |
3 | 102210002021010101112102 |
4 | 1302301031202113003 |
5 | 4004334420401011 |
6 | 132340113421015 |
7 | 11621544263255 |
oct | 1626115422703 |
9 | 383067111472 |
10 | 123232200131 |
11 | 482984009a7 |
12 | 1ba7226a76b |
13 | b80ba1b421 |
14 | 5d70713cd5 |
15 | 3313b1473b |
hex | 1cb13625c3 |
123232200131 has 4 divisors (see below), whose sum is σ = 123243217152. Its totient is φ = 123221183112.
The previous prime is 123232200109. The next prime is 123232200139. The reversal of 123232200131 is 131002232321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131002232321 = 59 ⋅2220376819.
It is a cyclic number.
It is not a de Polignac number, because 123232200131 - 26 = 123232200067 is a prime.
It is a super-2 number, since 2×1232322001312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123232200139) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5491715 + ... + 5514108.
It is an arithmetic number, because the mean of its divisors is an integer number (30810804288).
Almost surely, 2123232200131 is an apocalyptic number.
123232200131 is a deficient number, since it is larger than the sum of its proper divisors (11017021).
123232200131 is a wasteful number, since it uses less digits than its factorization.
123232200131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11017020.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 123232200131 its reverse (131002232321), we get a palindrome (254234432452).
The spelling of 123232200131 in words is "one hundred twenty-three billion, two hundred thirty-two million, two hundred thousand, one hundred thirty-one".
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