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12133022245 = 52426604449
BaseRepresentation
bin10110100110010111…
…10011101000100101
31011022120102101120021
423103023303220211
5144322023202440
65323540435141
7606444662461
oct132313635045
934276371507
1012133022245
115166858213
1224273a8ab1
1311b489ab06
148315674a1
154b029984a
hex2d32f3a25

12133022245 has 4 divisors (see below), whose sum is σ = 14559626700. Its totient is φ = 9706417792.

The previous prime is 12133022189. The next prime is 12133022249. The reversal of 12133022245 is 54222033121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2101397281 + 10031624964 = 45841^2 + 100158^2 .

It is a cyclic number.

It is not a de Polignac number, because 12133022245 - 219 = 12132497957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133022249) 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, 1213302220 + ... + 1213302229.

It is an arithmetic number, because the mean of its divisors is an integer number (3639906675).

Almost surely, 212133022245 is an apocalyptic number.

It is an amenable number.

12133022245 is a deficient number, since it is larger than the sum of its proper divisors (2426604455).

12133022245 is an equidigital number, since it uses as much as digits as its factorization.

12133022245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426604454.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 12133022245 its reverse (54222033121), we get a palindrome (66355055366).

The spelling of 12133022245 in words is "twelve billion, one hundred thirty-three million, twenty-two thousand, two hundred forty-five".

Divisors: 1 5 2426604449 12133022245