Base | Representation |
---|---|
bin | 11101000111100011… |
… | …011000110011011100 |
3 | 2222200221001020201010 |
4 | 131013203120303130 |
5 | 1003012344330134 |
6 | 22210230215220 |
7 | 2154532033116 |
oct | 350743306334 |
9 | 88627036633 |
10 | 31265230044 |
11 | 122944530a4 |
12 | 60867b4510 |
13 | 2c43547c29 |
14 | 17284b83b6 |
15 | c2ec4bce9 |
hex | 7478d8cdc |
31265230044 has 48 divisors (see below), whose sum is σ = 76162222080. Its totient is φ = 9963624000.
The previous prime is 31265229997. The next prime is 31265230127. The reversal of 31265230044 is 44003256213.
It is a junction number, because it is equal to n+sod(n) for n = 31265229993 and 31265230020.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543669 + ... + 598419.
It is an arithmetic number, because the mean of its divisors is an integer number (1586712960).
Almost surely, 231265230044 is an apocalyptic number.
It is an amenable number.
31265230044 is an abundant number, since it is smaller than the sum of its proper divisors (44896992036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31265230044 is a wasteful number, since it uses less digits than its factorization.
31265230044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56850 (or 56848 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 30.
Adding to 31265230044 its reverse (44003256213), we get a palindrome (75268486257).
The spelling of 31265230044 in words is "thirty-one billion, two hundred sixty-five million, two hundred thirty thousand, forty-four".
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