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12133313144 = 233229946957
BaseRepresentation
bin10110100110011001…
…11010101001111000
31011022120222011121022
423103030322221320
5144322112010034
65323551002012
7606450313541
oct132314725170
934276864538
1012133313144
115166a36827
122427509308
1311b4970344
148316014c8
154b0305b2e
hex2d333aa78

12133313144 has 16 divisors (see below), whose sum is σ = 22751151000. Its totient is φ = 6066339552.

The previous prime is 12133313131. The next prime is 12133313149. The reversal of 12133313144 is 44131333121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133313149) 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, 234914 + ... + 281870.

Almost surely, 212133313144 is an apocalyptic number.

It is an amenable number.

12133313144 is a deficient number, since it is larger than the sum of its proper divisors (10617837856).

12133313144 is a wasteful number, since it uses less digits than its factorization.

12133313144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79262 (or 79258 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

Adding to 12133313144 its reverse (44131333121), we get a palindrome (56264646265).

The spelling of 12133313144 in words is "twelve billion, one hundred thirty-three million, three hundred thirteen thousand, one hundred forty-four".

Divisors: 1 2 4 8 32299 46957 64598 93914 129196 187828 258392 375656 1516664143 3033328286 6066656572 12133313144