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12352004031 = 341797126001
BaseRepresentation
bin10111000000011110…
…01001111110111111
31011212211110211002210
423200033021332333
5200244103112111
65401402151503
7615044205363
oct134017117677
934784424083
1012352004031
1152694254a4
1224887b2593
13121b06cc33
1485268b2a3
154c46030a6
hex2e03c9fbf

12352004031 has 16 divisors (see below), whose sum is σ = 16892332128. Its totient is φ = 8023680000.

The previous prime is 12352004029. The next prime is 12352004051. The reversal of 12352004031 is 13040025321.

It is not a de Polignac number, because 12352004031 - 21 = 12352004029 is a prime.

It is a super-2 number, since 2×123520040312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12352003989 and 12352004007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12352004051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35031 + ... + 161031.

It is an arithmetic number, because the mean of its divisors is an integer number (1055770758).

Almost surely, 212352004031 is an apocalyptic number.

12352004031 is a deficient number, since it is larger than the sum of its proper divisors (4540328097).

12352004031 is a wasteful number, since it uses less digits than its factorization.

12352004031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126842.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 12352004031 its reverse (13040025321), we get a palindrome (25392029352).

The spelling of 12352004031 in words is "twelve billion, three hundred fifty-two million, four thousand, thirty-one".

Divisors: 1 3 41 123 797 2391 32677 98031 126001 378003 5166041 15498123 100422797 301268391 4117334677 12352004031