Base | Representation |
---|---|
bin | 11000000011100110… |
… | …00111000011100011 |
3 | 1020100001222220111001 |
4 | 30001303013003203 |
5 | 202422224433342 |
6 | 5533314532431 |
7 | 635022226504 |
oct | 140163070343 |
9 | 36301886431 |
10 | 12915077347 |
11 | 5528251847 |
12 | 2605297117 |
13 | 12aa909b03 |
14 | 8a7380bab |
15 | 508c798b7 |
hex | 301cc70e3 |
12915077347 has 4 divisors (see below), whose sum is σ = 13594818280. Its totient is φ = 12235336416.
The previous prime is 12915077341. The next prime is 12915077359. The reversal of 12915077347 is 74377051921.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74377051921 = 683 ⋅108897587.
It is a cyclic number.
It is not a de Polignac number, because 12915077347 - 23 = 12915077339 is a prime.
It is a Duffinian number.
It is a zygodrome in base 2.
It is a junction number, because it is equal to n+sod(n) for n = 12915077297 and 12915077306.
It is not an unprimeable number, because it can be changed into a prime (12915077341) 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, 339870438 + ... + 339870475.
It is an arithmetic number, because the mean of its divisors is an integer number (3398704570).
Almost surely, 212915077347 is an apocalyptic number.
12915077347 is a deficient number, since it is larger than the sum of its proper divisors (679740933).
12915077347 is an equidigital number, since it uses as much as digits as its factorization.
12915077347 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 679740932.
The product of its (nonzero) digits is 370440, while the sum is 46.
The spelling of 12915077347 in words is "twelve billion, nine hundred fifteen million, seventy-seven thousand, three hundred forty-seven".
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