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12351166253 = 15181795803
BaseRepresentation
bin10111000000010111…
…11101011100101101
31011212202220020212222
423200023331130231
5200243344310003
65401332205125
7615034116026
oct134013753455
934782806788
1012351166253
115268a03018
1224884697a5
13121ab387ca
1485250dc4d
154c44d9c38
hex2e02fd72d

12351166253 has 4 divisors (see below), whose sum is σ = 12432962208. Its totient is φ = 12269370300.

The previous prime is 12351166199. The next prime is 12351166273. The reversal of 12351166253 is 35266115321.

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 12351166253 - 28 = 12351165997 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 (12351166273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40897751 + ... + 40898052.

It is an arithmetic number, because the mean of its divisors is an integer number (3108240552).

Almost surely, 212351166253 is an apocalyptic number.

It is an amenable number.

12351166253 is a deficient number, since it is larger than the sum of its proper divisors (81795955).

12351166253 is an equidigital number, since it uses as much as digits as its factorization.

12351166253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81795954.

The product of its digits is 32400, while the sum is 35.

The spelling of 12351166253 in words is "twelve billion, three hundred fifty-one million, one hundred sixty-six thousand, two hundred fifty-three".

Divisors: 1 151 81795803 12351166253