Base | Representation |
---|---|
bin | 11101010000111101… |
… | …101010000001001100 |
3 | 10000002221010102222222 |
4 | 131100331222001030 |
5 | 1003323304024434 |
6 | 22234030154512 |
7 | 2161460016140 |
oct | 352075520114 |
9 | 100087112888 |
10 | 31423111244 |
11 | 12365588628 |
12 | 610b652a38 |
13 | 2c6a176165 |
14 | 1741455220 |
15 | c3da3672e |
hex | 750f6a04c |
31423111244 has 48 divisors (see below), whose sum is σ = 65613370368. Its totient is φ = 12874707648.
The previous prime is 31423111241. The next prime is 31423111277. The reversal of 31423111244 is 44211132413.
It is not an unprimeable number, because it can be changed into a prime (31423111241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1310249 + ... + 1334015.
It is an arithmetic number, because the mean of its divisors is an integer number (1366945216).
Almost surely, 231423111244 is an apocalyptic number.
It is an amenable number.
31423111244 is an abundant number, since it is smaller than the sum of its proper divisors (34190259124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31423111244 is a wasteful number, since it uses less digits than its factorization.
31423111244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25854 (or 25852 counting only the distinct ones).
The product of its digits is 2304, while the sum is 26.
Adding to 31423111244 its reverse (44211132413), we get a palindrome (75634243657).
The spelling of 31423111244 in words is "thirty-one billion, four hundred twenty-three million, one hundred eleven thousand, two hundred forty-four".
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