Base | Representation |
---|---|
bin | 11101000110000111… |
… | …110011111110111010 |
3 | 2222122020212121202220 |
4 | 131012013303332322 |
5 | 1002440223132442 |
6 | 22204011504510 |
7 | 2154121011033 |
oct | 350607637672 |
9 | 88566777686 |
10 | 31241224122 |
11 | 12281947099 |
12 | 607a758136 |
13 | 2c3b591344 |
14 | 1725229a8a |
15 | c2caa8eec |
hex | 7461f3fba |
31241224122 has 32 divisors (see below), whose sum is σ = 66177134784. Its totient is φ = 9798316800.
The previous prime is 31241224117. The next prime is 31241224163. The reversal of 31241224122 is 22142214213.
It is a junction number, because it is equal to n+sod(n) for n = 31241224092 and 31241224101.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322497 + ... + 408027.
It is an arithmetic number, because the mean of its divisors is an integer number (2068035462).
Almost surely, 231241224122 is an apocalyptic number.
31241224122 is an abundant number, since it is smaller than the sum of its proper divisors (34935910662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31241224122 is a wasteful number, since it uses less digits than its factorization.
31241224122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89134.
The product of its digits is 1536, while the sum is 24.
Adding to 31241224122 its reverse (22142214213), we get a palindrome (53383438335).
Subtracting from 31241224122 its reverse (22142214213), we obtain a palindrome (9099009909).
The spelling of 31241224122 in words is "thirty-one billion, two hundred forty-one million, two hundred twenty-four thousand, one hundred twenty-two".
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