Base | Representation |
---|---|
bin | 1110001100111010011100… |
… | …11011110100000001010001 |
3 | 11002120120011000012112200000 |
4 | 13012131032123310001101 |
5 | 13043133041404414100 |
6 | 150230512523320213 |
7 | 6402203041415166 |
oct | 706351633640121 |
9 | 132516130175600 |
10 | 31230023123025 |
11 | 9a5063a984911 |
12 | 3604707680069 |
13 | 1456c94b26abc |
14 | 79d78101c06d |
15 | 392570659900 |
hex | 1c674e6f4051 |
31230023123025 has 72 divisors (see below), whose sum is σ = 58009958208384. Its totient is φ = 16655496436800.
The previous prime is 31230023122997. The next prime is 31230023123063. The reversal of 31230023123025 is 52032132003213.
It is a happy number.
31230023123025 is a `hidden beast` number, since 3 + 12 + 30 + 0 + 2 + 312 + 302 + 5 = 666.
It is not a de Polignac number, because 31230023123025 - 214 = 31230023106641 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
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 31230023123025.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 273360415 + ... + 273474635.
Almost surely, 231230023123025 is an apocalyptic number.
It is an amenable number.
31230023123025 is a deficient number, since it is larger than the sum of its proper divisors (26779935085359).
31230023123025 is a wasteful number, since it uses less digits than its factorization.
31230023123025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159253 (or 159236 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 27.
Adding to 31230023123025 its reverse (52032132003213), we get a palindrome (83262155126238).
The spelling of 31230023123025 in words is "thirty-one trillion, two hundred thirty billion, twenty-three million, one hundred twenty-three thousand, twenty-five".
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