Base | Representation |
---|---|
bin | 1110100001110101010011… |
… | …11000110101100001010000 |
3 | 11012010021110222200122000101 |
4 | 13100322221320311201100 |
5 | 13141422134122341212 |
6 | 151541030042502144 |
7 | 6505140316502440 |
oct | 720725170654120 |
9 | 135107428618011 |
10 | 31948816996432 |
11 | a1a8465321796 |
12 | 36bba8a204954 |
13 | 14a99b6b1069b |
14 | 7c648c362120 |
15 | 3a60de632157 |
hex | 1d0ea9e35850 |
31948816996432 has 40 divisors (see below), whose sum is σ = 70744451480000. Its totient is φ = 13692225802752.
The previous prime is 31948816996409. The next prime is 31948816996433. The reversal of 31948816996432 is 23469961884913.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31948816996433) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11670319 + ... + 14145457.
It is an arithmetic number, because the mean of its divisors is an integer number (1768611287000).
Almost surely, 231948816996432 is an apocalyptic number.
It is an amenable number.
31948816996432 is an abundant number, since it is smaller than the sum of its proper divisors (38795634483568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31948816996432 is a wasteful number, since it uses less digits than its factorization.
31948816996432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2590403 (or 2590397 counting only the distinct ones).
The product of its digits is 483729408, while the sum is 73.
The spelling of 31948816996432 in words is "thirty-one trillion, nine hundred forty-eight billion, eight hundred sixteen million, nine hundred ninety-six thousand, four hundred thirty-two".
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