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23398502401 = 61338170477
BaseRepresentation
bin10101110010101010…
…001101000000000001
32020101200102002010001
4111302222031000001
5340410004034101
614425451040001
71455556663111
oct256252150001
966350362101
1023398502401
119a1793219a
124650140001
13228b7c7bc1
1411bd7c3041
1591e2c9901
hex572a8d001

23398502401 has 4 divisors (see below), whose sum is σ = 23436673492. Its totient is φ = 23360331312.

The previous prime is 23398502383. The next prime is 23398502411. The reversal of 23398502401 is 10420589332.

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 496220176 + 22902282225 = 22276^2 + 151335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23398502401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23398502411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19084626 + ... + 19085851.

It is an arithmetic number, because the mean of its divisors is an integer number (5859168373).

Almost surely, 223398502401 is an apocalyptic number.

It is an amenable number.

23398502401 is a deficient number, since it is larger than the sum of its proper divisors (38171091).

23398502401 is an equidigital number, since it uses as much as digits as its factorization.

23398502401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38171090.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 23398502401 in words is "twenty-three billion, three hundred ninety-eight million, five hundred two thousand, four hundred one".

Divisors: 1 613 38170477 23398502401