Base | Representation |
---|---|
bin | 111101000011001001… |
… | …1010010101100010010 |
3 | 110112101201221222111102 |
4 | 1322012103102230102 |
5 | 4121444132114442 |
6 | 140121051344402 |
7 | 12320556336563 |
oct | 1720623225422 |
9 | 415351858442 |
10 | 131102223122 |
11 | 50666872732 |
12 | 214a9a52102 |
13 | c494353370 |
14 | 64b9a2616a |
15 | 36249d8232 |
hex | 1e864d2b12 |
131102223122 has 32 divisors (see below), whose sum is σ = 212690016000. Its totient is φ = 60249385728.
The previous prime is 131102223089. The next prime is 131102223181. The reversal of 131102223122 is 221322201131.
It is a junction number, because it is equal to n+sod(n) for n = 131102223094 and 131102223103.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6277754 + ... + 6298602.
It is an arithmetic number, because the mean of its divisors is an integer number (6646563000).
Almost surely, 2131102223122 is an apocalyptic number.
131102223122 is a deficient number, since it is larger than the sum of its proper divisors (81587792878).
131102223122 is a wasteful number, since it uses less digits than its factorization.
131102223122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21890.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 131102223122 its reverse (221322201131), we get a palindrome (352424424253).
The spelling of 131102223122 in words is "one hundred thirty-one billion, one hundred two million, two hundred twenty-three thousand, one hundred twenty-two".
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