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23404706813 = 45341516193
BaseRepresentation
bin10101110011000001…
…110111101111111101
32020102010002021222002
4111303001313233331
5340413101104223
614430232032045
71455663503555
oct256301675775
966363067862
1023404706813
119a2038a704
124652232625
13228cb8ac57
1411c055a165
1591eb02e28
hex573077bfd

23404706813 has 4 divisors (see below), whose sum is σ = 23405268348. Its totient is φ = 23404145280.

The previous prime is 23404706807. The next prime is 23404706821. The reversal of 23404706813 is 31860740432.

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 5839710724 + 17564996089 = 76418^2 + 132533^2 .

It is a cyclic number.

It is not a de Polignac number, because 23404706813 - 24 = 23404706797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23404706713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212756 + ... + 303437.

It is an arithmetic number, because the mean of its divisors is an integer number (5851317087).

Almost surely, 223404706813 is an apocalyptic number.

It is an amenable number.

23404706813 is a deficient number, since it is larger than the sum of its proper divisors (561535).

23404706813 is an equidigital number, since it uses as much as digits as its factorization.

23404706813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561534.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 23404706813 in words is "twenty-three billion, four hundred four million, seven hundred six thousand, eight hundred thirteen".

Divisors: 1 45341 516193 23404706813