Base | Representation |
---|---|
bin | 11100111111100111… |
… | …101010101101100100 |
3 | 2222100122121021121001 |
4 | 130333213222231210 |
5 | 1002224311243434 |
6 | 22145113403044 |
7 | 2151324526531 |
oct | 347747525544 |
9 | 88318537531 |
10 | 31132134244 |
11 | 12226307272 |
12 | 604a109484 |
13 | 2c21ab7313 |
14 | 171494dd88 |
15 | c2320b114 |
hex | 73f9eab64 |
31132134244 has 24 divisors (see below), whose sum is σ = 55344619008. Its totient is φ = 15320148480.
The previous prime is 31132134217. The next prime is 31132134251. The reversal of 31132134244 is 44243123113.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68877 + ... + 258859.
It is an arithmetic number, because the mean of its divisors is an integer number (2306025792).
Almost surely, 231132134244 is an apocalyptic number.
It is an amenable number.
31132134244 is a deficient number, since it is larger than the sum of its proper divisors (24212484764).
31132134244 is a wasteful number, since it uses less digits than its factorization.
31132134244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 190635 (or 190633 counting only the distinct ones).
The product of its digits is 6912, while the sum is 28.
Adding to 31132134244 its reverse (44243123113), we get a palindrome (75375257357).
The spelling of 31132134244 in words is "thirty-one billion, one hundred thirty-two million, one hundred thirty-four thousand, two hundred forty-four".
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