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12320159353 = 72111708523
BaseRepresentation
bin10110111100101011…
…01011011001111001
31011210121112221102021
423132111223121321
5200212430044403
65354303434441
7614206424635
oct133625533171
934717487367
1012320159353
115252455087
122479bb5a21
1312145a0428
1484c35bdc5
154c19128bd
hex2de56b679

12320159353 has 4 divisors (see below), whose sum is σ = 12321875088. Its totient is φ = 12318443620.

The previous prime is 12320159333. The next prime is 12320159363. The reversal of 12320159353 is 35395102321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12320159353 - 25 = 12320159321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320159333) 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, 847051 + ... + 861472.

It is an arithmetic number, because the mean of its divisors is an integer number (3080468772).

Almost surely, 212320159353 is an apocalyptic number.

It is an amenable number.

12320159353 is a deficient number, since it is larger than the sum of its proper divisors (1715735).

12320159353 is an equidigital number, since it uses as much as digits as its factorization.

12320159353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715734.

The product of its (nonzero) digits is 24300, while the sum is 34.

The spelling of 12320159353 in words is "twelve billion, three hundred twenty million, one hundred fifty-nine thousand, three hundred fifty-three".

Divisors: 1 7211 1708523 12320159353