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2057796318893 = 7293970902699
BaseRepresentation
bin11101111100011110001…
…101111111011010101101
321021201112100211001112112
4131330132031333122231
5232203331324201033
64213201044413405
7301446053052350
oct35743615773255
97251470731475
102057796318893
11723785414697
122929939a7265
1311c0845a1533
14718527c8297
15387dc037c48
hex1df1e37f6ad

2057796318893 has 4 divisors (see below), whose sum is σ = 2351767221600. Its totient is φ = 1763825416188.

The previous prime is 2057796318883. The next prime is 2057796318917. The reversal of 2057796318893 is 3988136977502.

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 2057796318893 - 214 = 2057796302509 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 (2057796318833) 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, 146985451343 + ... + 146985451356.

It is an arithmetic number, because the mean of its divisors is an integer number (587941805400).

Almost surely, 22057796318893 is an apocalyptic number.

It is an amenable number.

2057796318893 is a deficient number, since it is larger than the sum of its proper divisors (293970902707).

2057796318893 is an equidigital number, since it uses as much as digits as its factorization.

2057796318893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293970902706.

The product of its (nonzero) digits is 137168640, while the sum is 68.

The spelling of 2057796318893 in words is "two trillion, fifty-seven billion, seven hundred ninety-six million, three hundred eighteen thousand, eight hundred ninety-three".

Divisors: 1 7 293970902699 2057796318893