Base | Representation |
---|---|
bin | 11000001101110001… |
… | …11101100010011011 |
3 | 1020120000201200122021 |
4 | 30012320331202123 |
5 | 203111111403212 |
6 | 5550005435311 |
7 | 640110255340 |
oct | 140670754233 |
9 | 36500650567 |
10 | 13000497307 |
11 | 5571495056 |
12 | 2629a0bb37 |
13 | 12c2517175 |
14 | 8b48587c7 |
15 | 5114ee307 |
hex | 306e3d89b |
13000497307 has 4 divisors (see below), whose sum is σ = 14857711216. Its totient is φ = 11143283400.
The previous prime is 13000497277. The next prime is 13000497371. The reversal of 13000497307 is 70379400031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70379400031 = 19 ⋅3704178949.
It is a cyclic number.
It is not a de Polignac number, because 13000497307 - 227 = 12866279579 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13000497007) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928606944 + ... + 928606957.
It is an arithmetic number, because the mean of its divisors is an integer number (3714427804).
Almost surely, 213000497307 is an apocalyptic number.
13000497307 is a deficient number, since it is larger than the sum of its proper divisors (1857213909).
13000497307 is an equidigital number, since it uses as much as digits as its factorization.
13000497307 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1857213908.
The product of its (nonzero) digits is 15876, while the sum is 34.
Adding to 13000497307 its reverse (70379400031), we get a palindrome (83379897338).
The spelling of 13000497307 in words is "thirteen billion, four hundred ninety-seven thousand, three hundred seven".
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