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12133403031 = 316092513653
BaseRepresentation
bin10110100110011010…
…10000100110010111
31011022121010201220110
423103031100212113
5144322122344111
65323552534103
7606451136601
oct132315204627
934277121813
1012133403031
115166a98312
122427551333
1311b49a2229
14831626171
154b03225a6
hex2d3350997

12133403031 has 8 divisors (see below), whose sum is σ = 16187931760. Its totient is φ = 8083904832.

The previous prime is 12133403027. The next prime is 12133403033. The reversal of 12133403031 is 13030433121.

12133403031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12133403031 - 22 = 12133403027 is a prime.

It is a super-2 number, since 2×121334030312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12133402989 and 12133403007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133403033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1252000 + ... + 1261653.

It is an arithmetic number, because the mean of its divisors is an integer number (2023491470).

Almost surely, 212133403031 is an apocalyptic number.

12133403031 is a deficient number, since it is larger than the sum of its proper divisors (4054528729).

12133403031 is a wasteful number, since it uses less digits than its factorization.

12133403031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515265.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12133403031 its reverse (13030433121), we get a palindrome (25163836152).

The spelling of 12133403031 in words is "twelve billion, one hundred thirty-three million, four hundred three thousand, thirty-one".

Divisors: 1 3 1609 4827 2513653 7540959 4044467677 12133403031