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21795368614313 = 73113624087759
BaseRepresentation
bin1001111010010101000010…
…01101000011100110101001
32212011121122201020220100012
410331022201031003212221
510324043403331124223
6114204353142221305
74406443360320530
oct475124115034651
985147581226305
1021795368614313
116a43400419048
122540108a24835
13c213a9b70028
14554c898bd317
1527be32eebc78
hex13d2a13439a9

21795368614313 has 4 divisors (see below), whose sum is σ = 24908992702080. Its totient is φ = 18681744526548.

The previous prime is 21795368614231. The next prime is 21795368614321. The reversal of 21795368614313 is 31341686359712.

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 21795368614313 - 218 = 21795368352169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21795368614213) 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, 1556812043873 + ... + 1556812043886.

It is an arithmetic number, because the mean of its divisors is an integer number (6227248175520).

Almost surely, 221795368614313 is an apocalyptic number.

It is an amenable number.

21795368614313 is a deficient number, since it is larger than the sum of its proper divisors (3113624087767).

21795368614313 is an equidigital number, since it uses as much as digits as its factorization.

21795368614313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113624087766.

The product of its digits is 19595520, while the sum is 59.

The spelling of 21795368614313 in words is "twenty-one trillion, seven hundred ninety-five billion, three hundred sixty-eight million, six hundred fourteen thousand, three hundred thirteen".

Divisors: 1 7 3113624087759 21795368614313