Base | Representation |
---|---|
bin | 11101001001110001… |
… | …101001010011000010 |
3 | 2222210112012212201112 |
4 | 131021301221103002 |
5 | 1003101421201200 |
6 | 22214041403322 |
7 | 2155464022142 |
oct | 351161512302 |
9 | 88715185645 |
10 | 31302522050 |
11 | 12303504138 |
12 | 6097199542 |
13 | 2c4b1a3cc7 |
14 | 172d424922 |
15 | c33166535 |
hex | 749c694c2 |
31302522050 has 54 divisors (see below), whose sum is σ = 58979315577. Its totient is φ = 12360374000.
The previous prime is 31302522023. The next prime is 31302522067. The reversal of 31302522050 is 5022520313.
It can be written as a sum of positive squares in 2 ways, for example, as 30676471609 + 626050441 = 175147^2 + 25021^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=125105.
It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 163887455 + ... + 163887645.
Almost surely, 231302522050 is an apocalyptic number.
31302522050 is a deficient number, since it is larger than the sum of its proper divisors (27676793527).
31302522050 is an equidigital number, since it uses as much as digits as its factorization.
31302522050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 656 (or 329 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 23.
Multiplying 31302522050 by its product of nonzero digits (1800), we get a square (56344539690000 = 75063002).
The spelling of 31302522050 in words is "thirty-one billion, three hundred two million, five hundred twenty-two thousand, fifty".
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