Base | Representation |
---|---|
bin | 101111011011101110… |
… | …110110111100100000 |
3 | 11212110110220200200012 |
4 | 233123232312330200 |
5 | 1313301332243430 |
6 | 35221502544052 |
7 | 3452056332560 |
oct | 573356667440 |
9 | 155413820605 |
10 | 50931134240 |
11 | 1a66632aa88 |
12 | 9a54898028 |
13 | 4a5894772c |
14 | 2672272da0 |
15 | 14d14c1695 |
hex | bdbbb6f20 |
50931134240 has 48 divisors (see below), whose sum is σ = 137514065472. Its totient is φ = 17462102784.
The previous prime is 50931134237. The next prime is 50931134251. The reversal of 50931134240 is 4243113905.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a junction number, because it is equal to n+sod(n) for n = 50931134197 and 50931134206.
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, 22735994 + ... + 22738233.
It is an arithmetic number, because the mean of its divisors is an integer number (2864876364).
Almost surely, 250931134240 is an apocalyptic number.
It is an amenable number.
50931134240 is an abundant number, since it is smaller than the sum of its proper divisors (86582931232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50931134240 is a wasteful number, since it uses less digits than its factorization.
50931134240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45474249 (or 45474241 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 32.
The spelling of 50931134240 in words is "fifty billion, nine hundred thirty-one million, one hundred thirty-four thousand, two hundred forty".
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