Base | Representation |
---|---|
bin | 11101000111100011… |
… | …011000110011011011 |
3 | 2222200221001020201002 |
4 | 131013203120303123 |
5 | 1003012344330133 |
6 | 22210230215215 |
7 | 2154532033115 |
oct | 350743306333 |
9 | 88627036632 |
10 | 31265230043 |
11 | 122944530a3 |
12 | 60867b450b |
13 | 2c43547c28 |
14 | 17284b83b5 |
15 | c2ec4bce8 |
hex | 7478d8cdb |
31265230043 has 12 divisors (see below), whose sum is σ = 33246840072. Its totient is φ = 29395714560.
The previous prime is 31265229997. The next prime is 31265230127. The reversal of 31265230043 is 34003256213.
It is not a de Polignac number, because 31265230043 - 26 = 31265229979 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31265229988 and 31265230015.
It is not an unprimeable number, because it can be changed into a prime (31265230643) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 226988 + ... + 337718.
It is an arithmetic number, because the mean of its divisors is an integer number (2770570006).
Almost surely, 231265230043 is an apocalyptic number.
31265230043 is a deficient number, since it is larger than the sum of its proper divisors (1981610029).
31265230043 is a wasteful number, since it uses less digits than its factorization.
31265230043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111742 (or 111725 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 29.
Adding to 31265230043 its reverse (34003256213), we get a palindrome (65268486256).
The spelling of 31265230043 in words is "thirty-one billion, two hundred sixty-five million, two hundred thirty thousand, forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •