Base | Representation |
---|---|
bin | 11101000000000101… |
… | …111000010100110101 |
3 | 2222101012111122220101 |
4 | 131000011320110311 |
5 | 1002233323214300 |
6 | 22145555234101 |
7 | 2151452044252 |
oct | 350005702465 |
9 | 88335448811 |
10 | 31140054325 |
11 | 1222a826796 |
12 | 60508a8931 |
13 | 2c2362b263 |
14 | 1715a12429 |
15 | c23c72b6a |
hex | 740178535 |
31140054325 has 6 divisors (see below), whose sum is σ = 38613667394. Its totient is φ = 24912043440.
The previous prime is 31140054307. The next prime is 31140054331. The reversal of 31140054325 is 52345004113.
It can be written as a sum of positive squares in 3 ways, for example, as 290293444 + 30849760881 = 17038^2 + 175641^2 .
It is not a de Polignac number, because 31140054325 - 221 = 31137957173 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31140054293 and 31140054302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 622801062 + ... + 622801111.
Almost surely, 231140054325 is an apocalyptic number.
It is an amenable number.
31140054325 is a deficient number, since it is larger than the sum of its proper divisors (7473613069).
31140054325 is a wasteful number, since it uses less digits than its factorization.
31140054325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1245602183 (or 1245602178 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 28.
Adding to 31140054325 its reverse (52345004113), we get a palindrome (83485058438).
The spelling of 31140054325 in words is "thirty-one billion, one hundred forty million, fifty-four thousand, three hundred twenty-five".
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