Base | Representation |
---|---|
bin | 100111001000111… |
… | …0011001100111001 |
3 | 10101112011222211222 |
4 | 1032101303030321 |
5 | 10142200222032 |
6 | 334152201425 |
7 | 44354525645 |
oct | 11621631471 |
9 | 3345158758 |
10 | 1313289017 |
11 | 614354527 |
12 | 307999275 |
13 | 17c10b8c1 |
14 | c65bdc25 |
15 | 7a467a12 |
hex | 4e473339 |
1313289017 has 4 divisors (see below), whose sum is σ = 1323314256. Its totient is φ = 1303263780.
The previous prime is 1313288959. The next prime is 1313289071. The reversal of 1313289017 is 7109823131.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7109823131 = 307 ⋅23159033.
It is a cyclic number.
It is not a de Polignac number, because 1313289017 - 214 = 1313272633 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1313249017) 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, 5012423 + ... + 5012684.
It is an arithmetic number, because the mean of its divisors is an integer number (330828564).
Almost surely, 21313289017 is an apocalyptic number.
It is an amenable number.
1313289017 is a deficient number, since it is larger than the sum of its proper divisors (10025239).
1313289017 is a wasteful number, since it uses less digits than its factorization.
1313289017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10025238.
The product of its (nonzero) digits is 9072, while the sum is 35.
The square root of 1313289017 is about 36239.3296985471. The cubic root of 1313289017 is about 1095.0991388037.
The spelling of 1313289017 in words is "one billion, three hundred thirteen million, two hundred eighty-nine thousand, seventeen".
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