Base | Representation |
---|---|
bin | 11101010000111100… |
… | …001110111010000010 |
3 | 10000002220102111001222 |
4 | 131100330032322002 |
5 | 1003323210104200 |
6 | 22234014155042 |
7 | 2161453603124 |
oct | 352074167202 |
9 | 100086374058 |
10 | 31422738050 |
11 | 12365353200 |
12 | 610b4b2a82 |
13 | 2c6a075332 |
14 | 1741399214 |
15 | c3d9b0d85 |
hex | 750f0ee82 |
31422738050 has 162 divisors, whose sum is σ = 67035762171. Its totient is φ = 10950139200.
The previous prime is 31422738047. The next prime is 31422738089. The reversal of 31422738050 is 5083722413.
It can be written as a sum of positive squares in 5 ways, for example, as 18428334001 + 12994404049 = 135751^2 + 113993^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=125345.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 31422738050.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 592881824 + ... + 592881876.
Almost surely, 231422738050 is an apocalyptic number.
31422738050 is an abundant number, since it is smaller than the sum of its proper divisors (35613024121).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31422738050 is a wasteful number, since it uses less digits than its factorization.
31422738050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 226 (or 114 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 35.
The spelling of 31422738050 in words is "thirty-one billion, four hundred twenty-two million, seven hundred thirty-eight thousand, fifty".
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