Base | Representation |
---|---|
bin | 10111011010111000… |
… | …10011000110100101 |
3 | 1012110021100200020102 |
4 | 23231130103012211 |
5 | 201222312144221 |
6 | 5435354513445 |
7 | 623404303046 |
oct | 135534230645 |
9 | 35407320212 |
10 | 12573553061 |
11 | 5372496573 |
12 | 252aa35885 |
13 | 1254c30734 |
14 | 873c7c8cd |
15 | 4d8cb730b |
hex | 2ed7131a5 |
12573553061 has 4 divisors (see below), whose sum is σ = 12578668800. Its totient is φ = 12568437324.
The previous prime is 12573553001. The next prime is 12573553099. The reversal of 12573553061 is 16035537521.
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.
It is a cyclic number.
It is not a de Polignac number, because 12573553061 - 210 = 12573552037 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12573553001) 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, 2554181 + ... + 2559098.
It is an arithmetic number, because the mean of its divisors is an integer number (3144667200).
Almost surely, 212573553061 is an apocalyptic number.
It is an amenable number.
12573553061 is a deficient number, since it is larger than the sum of its proper divisors (5115739).
12573553061 is an equidigital number, since it uses as much as digits as its factorization.
12573553061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5115738.
The product of its (nonzero) digits is 94500, while the sum is 38.
The spelling of 12573553061 in words is "twelve billion, five hundred seventy-three million, five hundred fifty-three thousand, sixty-one".
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