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12244413331 = 232129117929
BaseRepresentation
bin10110110011101001…
…01110101110010011
31011121100000122102001
423121310232232103
5200034032211311
65343000134431
7612266540023
oct133164565623
934540018361
1012244413331
115213719a67
122458767417
13120199c3b7
14842281a83
154b9e4e4c1
hex2d9d2eb93

12244413331 has 12 divisors (see below), whose sum is σ = 12810554680. Its totient is φ = 11702322720.

The previous prime is 12244413329. The next prime is 12244413361. The reversal of 12244413331 is 13331444221.

It is a happy number.

It is not a de Polignac number, because 12244413331 - 21 = 12244413329 is a prime.

It is a super-2 number, since 2×122444133312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12244413331.

It is not an unprimeable number, because it can be changed into a prime (12244413301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 673975 + ... + 691903.

Almost surely, 212244413331 is an apocalyptic number.

12244413331 is a deficient number, since it is larger than the sum of its proper divisors (566141349).

12244413331 is a wasteful number, since it uses less digits than its factorization.

12244413331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19266 (or 19243 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 12244413331 its reverse (13331444221), we get a palindrome (25575857552).

The spelling of 12244413331 in words is "twelve billion, two hundred forty-four million, four hundred thirteen thousand, three hundred thirty-one".

Divisors: 1 23 529 1291 17929 29693 412367 682939 9484441 23146339 532365797 12244413331