Base | Representation |
---|---|
bin | 11100111000100110… |
… | …100110000010011010 |
3 | 2222001110002101122022 |
4 | 130320212212002122 |
5 | 1002004142144232 |
6 | 22125310254442 |
7 | 2145365104346 |
oct | 347046460232 |
9 | 88043071568 |
10 | 31014412442 |
11 | 12175911122 |
12 | 60167b7422 |
13 | 2c035aa350 |
14 | 1703068626 |
15 | c17c05812 |
hex | 7389a609a |
31014412442 has 16 divisors (see below), whose sum is σ = 51827799240. Its totient is φ = 13820745792.
The previous prime is 31014412423. The next prime is 31014412453. The reversal of 31014412442 is 24421441013.
It can be written as a sum of positive squares in 4 ways, for example, as 23611702921 + 7402709521 = 153661^2 + 86039^2 .
It is a Harshad number since it is a multiple of its sum of digits (26).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20565833 + ... + 20567340.
Almost surely, 231014412442 is an apocalyptic number.
31014412442 is a deficient number, since it is larger than the sum of its proper divisors (20813386798).
31014412442 is a wasteful number, since it uses less digits than its factorization.
31014412442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41133217.
The product of its (nonzero) digits is 3072, while the sum is 26.
Adding to 31014412442 its reverse (24421441013), we get a palindrome (55435853455).
The spelling of 31014412442 in words is "thirty-one billion, fourteen million, four hundred twelve thousand, four hundred forty-two".
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