Base | Representation |
---|---|
bin | 11101010110010101… |
… | …001000001010110100 |
3 | 10000100012112220010121 |
4 | 131112111020022310 |
5 | 1004014331301012 |
6 | 22251004101324 |
7 | 2163632233162 |
oct | 352625101264 |
9 | 100305486117 |
10 | 31513150132 |
11 | 12401396132 |
12 | 6135834844 |
13 | 2c82a0c9c9 |
14 | 174d3b2232 |
15 | c468bea07 |
hex | 7565482b4 |
31513150132 has 12 divisors (see below), whose sum is σ = 56321375040. Its totient is φ = 15421328696.
The previous prime is 31513150129. The next prime is 31513150147. The reversal of 31513150132 is 23105131513.
It is a junction number, because it is equal to n+sod(n) for n = 31513150097 and 31513150106.
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, 83811382 + ... + 83811757.
It is an arithmetic number, because the mean of its divisors is an integer number (4693447920).
Almost surely, 231513150132 is an apocalyptic number.
It is an amenable number.
31513150132 is a deficient number, since it is larger than the sum of its proper divisors (24808224908).
31513150132 is a wasteful number, since it uses less digits than its factorization.
31513150132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167623190 (or 167623188 counting only the distinct ones).
The product of its (nonzero) digits is 1350, while the sum is 25.
Adding to 31513150132 its reverse (23105131513), we get a palindrome (54618281645).
The spelling of 31513150132 in words is "thirty-one billion, five hundred thirteen million, one hundred fifty thousand, one hundred thirty-two".
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