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12235052541 = 3172111136981
BaseRepresentation
bin10110110010100010…
…00001010111111101
31011120200102001211010
423121101001113331
5200024133140131
65342023345433
7612124142055
oct133121012775
934520361733
1012235052541
115209406078
1224555b2279
1311cca7277a
14840d26565
154b9200b46
hex2d94415fd

12235052541 has 16 divisors (see below), whose sum is σ = 17354893248. Its totient is φ = 7640505600.

The previous prime is 12235052539. The next prime is 12235052593. The reversal of 12235052541 is 14525053221.

It is not a de Polignac number, because 12235052541 - 21 = 12235052539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12235052499 and 12235052508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12235052521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557730 + ... + 579251.

It is an arithmetic number, because the mean of its divisors is an integer number (1084680828).

Almost surely, 212235052541 is an apocalyptic number.

It is an amenable number.

12235052541 is a deficient number, since it is larger than the sum of its proper divisors (5119840707).

12235052541 is a wasteful number, since it uses less digits than its factorization.

12235052541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137212.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 12235052541 in words is "twelve billion, two hundred thirty-five million, fifty-two thousand, five hundred forty-one".

Divisors: 1 3 17 51 211 633 3587 10761 1136981 3410943 19328677 57986031 239902991 719708973 4078350847 12235052541