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12303033313 = 113108876401
BaseRepresentation
bin10110111010101000…
…10110001111100001
31011202102022211220111
423131110112033201
5200144034031223
65352452411321
7613611025534
oct133524261741
934672284814
1012303033313
11524381802a
122474316b41
131210b8518c
14849d80a1b
154c017d30d
hex2dd5163e1

12303033313 has 4 divisors (see below), whose sum is σ = 12411909828. Its totient is φ = 12194156800.

The previous prime is 12303033307. The next prime is 12303033373. The reversal of 12303033313 is 31333030321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 107806689 + 12195226624 = 10383^2 + 110432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12303033313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12303033373) 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, 54438088 + ... + 54438313.

It is an arithmetic number, because the mean of its divisors is an integer number (3102977457).

Almost surely, 212303033313 is an apocalyptic number.

It is an amenable number.

12303033313 is a deficient number, since it is larger than the sum of its proper divisors (108876515).

12303033313 is a wasteful number, since it uses less digits than its factorization.

12303033313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108876514.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 12303033313 its reverse (31333030321), we get a palindrome (43636063634).

The spelling of 12303033313 in words is "twelve billion, three hundred three million, thirty-three thousand, three hundred thirteen".

Divisors: 1 113 108876401 12303033313