Base | Representation |
---|---|
bin | 11000010100011010… |
… | …10011110010110101 |
3 | 1020200220110210121111 |
4 | 30022031103302311 |
5 | 203214334203442 |
6 | 5555314515021 |
7 | 641354361103 |
oct | 141215236265 |
9 | 36626423544 |
10 | 13056162997 |
11 | 559a955559 |
12 | 2644595a71 |
13 | 1300c07347 |
14 | 8bbdc8c73 |
15 | 516347b17 |
hex | 30a353cb5 |
13056162997 has 4 divisors (see below), whose sum is σ = 13056547680. Its totient is φ = 13055778316.
The previous prime is 13056162967. The next prime is 13056163033. The reversal of 13056162997 is 79926165031.
13056162997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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: 79926165031 = 281 ⋅284434751.
It is a cyclic number.
It is not a de Polignac number, because 13056162997 - 27 = 13056162869 is a prime.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13056162997.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13056162967) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135913 + ... + 211150.
It is an arithmetic number, because the mean of its divisors is an integer number (3264136920).
Almost surely, 213056162997 is an apocalyptic number.
It is an amenable number.
13056162997 is a deficient number, since it is larger than the sum of its proper divisors (384683).
13056162997 is an equidigital number, since it uses as much as digits as its factorization.
13056162997 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 384682.
The product of its (nonzero) digits is 612360, while the sum is 49.
The spelling of 13056162997 in words is "thirteen billion, fifty-six million, one hundred sixty-two thousand, nine hundred ninety-seven".
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