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12133101431 = 112468344687
BaseRepresentation
bin10110100110011000…
…00110111101110111
31011022120120102012002
423103030012331313
5144322033221211
65323542245515
7606445442363
oct132314067567
934276512162
1012133101431
115166901760
12242742689b
1311b48c7b79
148315882a3
154b02b303b
hex2d3306f77

12133101431 has 8 divisors (see below), whose sum is σ = 13236943104. Its totient is φ = 11029398520.

The previous prime is 12133101401. The next prime is 12133101443. The reversal of 12133101431 is 13410133121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12133101431 is a prime.

It is a super-2 number, since 2×121331014312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133101401) 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, 249170 + ... + 293856.

It is an arithmetic number, because the mean of its divisors is an integer number (1654617888).

Almost surely, 212133101431 is an apocalyptic number.

12133101431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12133101431 is a deficient number, since it is larger than the sum of its proper divisors (1103841673).

12133101431 is a wasteful number, since it uses less digits than its factorization.

12133101431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69381.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12133101431 its reverse (13410133121), we get a palindrome (25543234552).

The spelling of 12133101431 in words is "twelve billion, one hundred thirty-three million, one hundred one thousand, four hundred thirty-one".

Divisors: 1 11 24683 44687 271513 491557 1103009221 12133101431