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57384119873 = 127979448387
BaseRepresentation
bin110101011100010111…
…000010111001000001
312111010012100022211002
4311130113002321001
51420010313313443
642210100501345
74101013654013
oct653427027101
9174105308732
1057384119873
1122377926663
12b1559aa855
135546817122
142ac52ba1b3
15175cc872b8
hexd5c5c2e41

57384119873 has 4 divisors (see below), whose sum is σ = 57384696240. Its totient is φ = 57383543508.

The previous prime is 57384119861. The next prime is 57384119909. The reversal of 57384119873 is 37891148375.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57384119873 - 214 = 57384103489 is a prime.

It is a super-2 number, since 2×573841198732 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57384113873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96215 + ... + 352172.

It is an arithmetic number, because the mean of its divisors is an integer number (14346174060).

Almost surely, 257384119873 is an apocalyptic number.

It is an amenable number.

57384119873 is a deficient number, since it is larger than the sum of its proper divisors (576367).

57384119873 is a wasteful number, since it uses less digits than its factorization.

57384119873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576366.

The product of its digits is 5080320, while the sum is 56.

The spelling of 57384119873 in words is "fifty-seven billion, three hundred eighty-four million, one hundred nineteen thousand, eight hundred seventy-three".

Divisors: 1 127979 448387 57384119873