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12042432313 = 19863734429
BaseRepresentation
bin10110011011100100…
…01110111100111001
31011002020221221112121
423031302032330321
5144130330313223
65310543041241
7604264662052
oct131562167471
934066857477
1012042432313
11511a7036aa
122400ba0221
13119bba04c2
14823505729
154a735315d
hex2cdc8ef39

12042432313 has 8 divisors (see below), whose sum is σ = 12690950400. Its totient is φ = 11395384848.

The previous prime is 12042432277. The next prime is 12042432343. The reversal of 12042432313 is 31323424021.

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 12042432313 - 217 = 12042301241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12042432343) 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, 350818 + ... + 383611.

It is an arithmetic number, because the mean of its divisors is an integer number (1586368800).

Almost surely, 212042432313 is an apocalyptic number.

It is an amenable number.

12042432313 is a deficient number, since it is larger than the sum of its proper divisors (648518087).

12042432313 is an equidigital number, since it uses as much as digits as its factorization.

12042432313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735311.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12042432313 its reverse (31323424021), we get a palindrome (43365856334).

The spelling of 12042432313 in words is "twelve billion, forty-two million, four hundred thirty-two thousand, three hundred thirteen".

Divisors: 1 19 863 16397 734429 13954151 633812227 12042432313