Base | Representation |
---|---|
bin | 1110011101111111011101… |
… | …11110011001000100010000 |
3 | 11011122122210201210220210110 |
4 | 13032333232332121010100 |
5 | 13132241333004010410 |
6 | 151400241220201320 |
7 | 6462455521365066 |
oct | 716775676310420 |
9 | 134578721726713 |
10 | 31816832094480 |
11 | a157496288424 |
12 | 369a394839240 |
13 | 149a411949974 |
14 | 7bdd2b40c036 |
15 | 3a29673de720 |
hex | 1cefeef99110 |
31816832094480 has 40 divisors (see below), whose sum is σ = 98632179493632. Its totient is φ = 8484488558464.
The previous prime is 31816832094461. The next prime is 31816832094533. The reversal of 31816832094480 is 8449023861813.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 31816832094480.
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, 66285066624 + ... + 66285067103.
Almost surely, 231816832094480 is an apocalyptic number.
31816832094480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
31816832094480 is an abundant number, since it is smaller than the sum of its proper divisors (66815347399152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31816832094480 is a wasteful number, since it uses less digits than its factorization.
31816832094480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 132570133743 (or 132570133737 counting only the distinct ones).
The product of its (nonzero) digits is 7962624, while the sum is 57.
The spelling of 31816832094480 in words is "thirty-one trillion, eight hundred sixteen billion, eight hundred thirty-two million, ninety-four thousand, four hundred eighty".
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