Base | Representation |
---|---|
bin | 11100100001011101… |
… | …11101010010000001 |
3 | 1110112012100122011010 |
4 | 32100232331102001 |
5 | 222330130140000 |
6 | 11011301311133 |
7 | 1051321314462 |
oct | 162056752201 |
9 | 43465318133 |
10 | 15313130625 |
11 | 6548954761 |
12 | 2b744054a9 |
13 | 15a0693650 |
14 | a53a54d69 |
15 | 5e9568d50 |
hex | 390bbd481 |
15313130625 has 40 divisors (see below), whose sum is σ = 27476354752. Its totient is φ = 7538760000.
The previous prime is 15313130597. The next prime is 15313130627. The reversal of 15313130625 is 52603131351.
It is not a de Polignac number, because 15313130625 - 25 = 15313130593 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 15313130592 and 15313130601.
It is not an unprimeable number, because it can be changed into a prime (15313130627) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 289741 + ... + 338490.
Almost surely, 215313130625 is an apocalyptic number.
15313130625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
15313130625 is a deficient number, since it is larger than the sum of its proper divisors (12163224127).
15313130625 is an equidigital number, since it uses as much as digits as its factorization.
15313130625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 628267 (or 628252 counting only the distinct ones).
The product of its (nonzero) digits is 8100, while the sum is 30.
Adding to 15313130625 its reverse (52603131351), we get a palindrome (67916261976).
The spelling of 15313130625 in words is "fifteen billion, three hundred thirteen million, one hundred thirty thousand, six hundred twenty-five".
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