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12260522641 = 97847125303
BaseRepresentation
bin10110110101100100…
…01011101010010001
31011122110100002020011
423122302023222101
5200102143211031
65344333314521
7612553502653
oct133262135221
934573302204
1012260522641
115221822144
122462035a41
13120511c933
148444766d3
154bb5826b1
hex2dac8ba91

12260522641 has 4 divisors (see below), whose sum is σ = 12260745792. Its totient is φ = 12260299492.

The previous prime is 12260522627. The next prime is 12260522707. The reversal of 12260522641 is 14622506221.

12260522641 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: 14622506221 = 44932566829.

It is a cyclic number.

It is not a de Polignac number, because 12260522641 - 215 = 12260489873 is a prime.

It is a super-2 number, since 2×122605226412 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12260522611) 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, 35196 + ... + 160498.

It is an arithmetic number, because the mean of its divisors is an integer number (3065186448).

Almost surely, 212260522641 is an apocalyptic number.

It is an amenable number.

12260522641 is a deficient number, since it is larger than the sum of its proper divisors (223151).

12260522641 is an equidigital number, since it uses as much as digits as its factorization.

12260522641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223150.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 12260522641 in words is "twelve billion, two hundred sixty million, five hundred twenty-two thousand, six hundred forty-one".

Divisors: 1 97847 125303 12260522641