Base | Representation |
---|---|
bin | 11000101011111000… |
… | …00100101011100101 |
3 | 1021012121210200202120 |
4 | 30111330010223211 |
5 | 204120230034422 |
6 | 10031025100153 |
7 | 646264253052 |
oct | 142574045345 |
9 | 37177720676 |
10 | 13252971237 |
11 | 5690a584a0 |
12 | 269a487659 |
13 | 133291491c |
14 | 8da1ba029 |
15 | 52877145c |
hex | 315f04ae5 |
13252971237 has 16 divisors (see below), whose sum is σ = 19467915840. Its totient is φ = 7952576000.
The previous prime is 13252971227. The next prime is 13252971269. The reversal of 13252971237 is 73217925231.
It is a happy number.
13252971237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 13252971237 - 211 = 13252969189 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13252971227) 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 15 ways as a sum of consecutive naturals, for example, 1984812 + ... + 1991477.
It is an arithmetic number, because the mean of its divisors is an integer number (1216744740).
Almost surely, 213252971237 is an apocalyptic number.
It is an amenable number.
13252971237 is a deficient number, since it is larger than the sum of its proper divisors (6214944603).
13252971237 is a wasteful number, since it uses less digits than its factorization.
13252971237 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3976404.
The product of its digits is 158760, while the sum is 42.
It can be divided in two parts, 13252 and 971237, that added together give a palindrome (984489).
The spelling of 13252971237 in words is "thirteen billion, two hundred fifty-two million, nine hundred seventy-one thousand, two hundred thirty-seven".
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