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12334544521 = 131933490849
BaseRepresentation
bin10110111110011001…
…00011011010001001
31011211121121210011021
423133030203122021
5200230120411041
65355540032441
7614442620125
oct133714433211
934747553137
1012334544521
11525a58a952
122482992721
131217568c70
14850224585
154c2d04cd1
hex2df323689

12334544521 has 8 divisors (see below), whose sum is σ = 13290254600. Its totient is φ = 11379820032.

The previous prime is 12334544483. The next prime is 12334544533. The reversal of 12334544521 is 12544543321.

It can be written as a sum of positive squares in 4 ways, for example, as 93334921 + 12241209600 = 9661^2 + 110640^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12334544521 - 215 = 12334511753 is a prime.

It is a super-2 number, since 2×123345445212 (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 (12334544221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220296 + ... + 270553.

It is an arithmetic number, because the mean of its divisors is an integer number (1661281825).

Almost surely, 212334544521 is an apocalyptic number.

It is an amenable number.

12334544521 is a deficient number, since it is larger than the sum of its proper divisors (955710079).

12334544521 is a wasteful number, since it uses less digits than its factorization.

12334544521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492795.

The product of its digits is 57600, while the sum is 34.

The spelling of 12334544521 in words is "twelve billion, three hundred thirty-four million, five hundred forty-four thousand, five hundred twenty-one".

Divisors: 1 13 1933 25129 490849 6381037 948811117 12334544521