Base | Representation |
---|---|
bin | 11101101010011101… |
… | …000110011010011110 |
3 | 10001012201212111022000 |
4 | 131222131012122132 |
5 | 1010212300100124 |
6 | 22344304503130 |
7 | 2205202125531 |
oct | 355235063236 |
9 | 101181774260 |
10 | 31850784414 |
11 | 12564a34829 |
12 | 620a91aaa6 |
13 | 30079565c7 |
14 | 1782180a18 |
15 | c663646c9 |
hex | 76a74669e |
31850784414 has 32 divisors (see below), whose sum is σ = 71835939840. Its totient is φ = 10458465336.
The previous prime is 31850784373. The next prime is 31850784443. The reversal of 31850784414 is 41448705813.
It is a self number, because there is not a number n which added to its sum of digits gives 31850784414.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4398094 + ... + 4405329.
It is an arithmetic number, because the mean of its divisors is an integer number (2244873120).
Almost surely, 231850784414 is an apocalyptic number.
31850784414 is an abundant number, since it is smaller than the sum of its proper divisors (39985155426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31850784414 is a wasteful number, since it uses less digits than its factorization.
31850784414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8803501 (or 8803495 counting only the distinct ones).
The product of its (nonzero) digits is 430080, while the sum is 45.
The spelling of 31850784414 in words is "thirty-one billion, eight hundred fifty million, seven hundred eighty-four thousand, four hundred fourteen".
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