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12352440563131 = 65531885005427
BaseRepresentation
bin1011001111000000011011…
…0101001111010110111011
31121201212210211011202101111
42303300012311033112323
53104340244241010011
642134344410301151
72413301664246124
oct263600665172673
947655724152344
1012352440563131
113a32705741379
121475b9b4277b7
136b7aa3aa9ab6
14309c0b62d04b
151664ae35e121
hexb3c06d4f5bb

12352440563131 has 4 divisors (see below), whose sum is σ = 12354325575112. Its totient is φ = 12350555551152.

The previous prime is 12352440563123. The next prime is 12352440563137. The reversal of 12352440563131 is 13136504425321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12352440563131 - 23 = 12352440563123 is a prime.

It is a super-2 number, since 2×123524405631312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12352440563137) 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, 942496161 + ... + 942509266.

It is an arithmetic number, because the mean of its divisors is an integer number (3088581393778).

Almost surely, 212352440563131 is an apocalyptic number.

12352440563131 is a deficient number, since it is larger than the sum of its proper divisors (1885011981).

12352440563131 is an equidigital number, since it uses as much as digits as its factorization.

12352440563131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885011980.

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 12352440563131 its reverse (13136504425321), we get a palindrome (25488944988452).

The spelling of 12352440563131 in words is "twelve trillion, three hundred fifty-two billion, four hundred forty million, five hundred sixty-three thousand, one hundred thirty-one".

Divisors: 1 6553 1885005427 12352440563131