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12068657453 = 97124419149
BaseRepresentation
bin10110011110101100…
…10001100100101101
31011011002022022200002
423033112101210231
5144204034014303
65313321114045
7605033616146
oct131726214455
934132268602
1012068657453
115133495a76
122409928925
1311a4453238
14826bb0acd
154a97d3788
hex2cf59192d

12068657453 has 4 divisors (see below), whose sum is σ = 12193076700. Its totient is φ = 11944238208.

The previous prime is 12068657441. The next prime is 12068657467. The reversal of 12068657453 is 35475686021.

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 4485382729 + 7583274724 = 66973^2 + 87082^2 .

It is a cyclic number.

It is not a de Polignac number, because 12068657453 - 214 = 12068641069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12068657398 and 12068657407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12068654453) 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, 62209478 + ... + 62209671.

It is an arithmetic number, because the mean of its divisors is an integer number (3048269175).

Almost surely, 212068657453 is an apocalyptic number.

It is an amenable number.

12068657453 is a deficient number, since it is larger than the sum of its proper divisors (124419247).

12068657453 is an equidigital number, since it uses as much as digits as its factorization.

12068657453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124419246.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 12068657453 in words is "twelve billion, sixty-eight million, six hundred fifty-seven thousand, four hundred fifty-three".

Divisors: 1 97 124419149 12068657453