Base | Representation |
---|---|
bin | 11100111101111001… |
… | …011100111011010110 |
3 | 2222021122020101210210 |
4 | 130331321130323112 |
5 | 1002144412220232 |
6 | 22142202230250 |
7 | 2150524123443 |
oct | 347571347326 |
9 | 88248211723 |
10 | 31103241942 |
11 | 12210a73033 |
12 | 60404b5386 |
13 | 2c18b0c596 |
14 | 1710b8c9ca |
15 | c209005cc |
hex | 73de5ced6 |
31103241942 has 16 divisors (see below), whose sum is σ = 62528799600. Its totient is φ = 10314028032.
The previous prime is 31103241857. The next prime is 31103241943. The reversal of 31103241942 is 24914230113.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31103241943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13428567 + ... + 13430882.
It is an arithmetic number, because the mean of its divisors is an integer number (3908049975).
Almost surely, 231103241942 is an apocalyptic number.
31103241942 is an abundant number, since it is smaller than the sum of its proper divisors (31425557658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31103241942 is a wasteful number, since it uses less digits than its factorization.
31103241942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26859647.
The product of its (nonzero) digits is 5184, while the sum is 30.
The spelling of 31103241942 in words is "thirty-one billion, one hundred three million, two hundred forty-one thousand, nine hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •