Base | Representation |
---|---|
bin | 11100111111100111… |
… | …001100011000011100 |
3 | 2222100122100222011212 |
4 | 130333213030120130 |
5 | 1002224243310022 |
6 | 22145111003552 |
7 | 2151323501405 |
oct | 347747143034 |
9 | 88318328155 |
10 | 31132010012 |
11 | 122262319a4 |
12 | 604a0695b8 |
13 | 2c21a728cc |
14 | 171491a9ac |
15 | c231d43e2 |
hex | 73f9cc61c |
31132010012 has 12 divisors (see below), whose sum is σ = 55953477720. Its totient is φ = 15145302096.
The previous prime is 31132010003. The next prime is 31132010027. The reversal of 31132010012 is 21001023113.
It is a zygodrome in base 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105175562 + ... + 105175857.
It is an arithmetic number, because the mean of its divisors is an integer number (4662789810).
Almost surely, 231132010012 is an apocalyptic number.
It is an amenable number.
31132010012 is a deficient number, since it is larger than the sum of its proper divisors (24821467708).
31132010012 is a wasteful number, since it uses less digits than its factorization.
31132010012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210351460 (or 210351458 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 31132010012 its reverse (21001023113), we get a palindrome (52133033125).
The spelling of 31132010012 in words is "thirty-one billion, one hundred thirty-two million, ten thousand, twelve".
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