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57399372899 = 115581393493
BaseRepresentation
bin110101011101010001…
…001110110001100011
312111011021001021000222
4311131101032301203
51420023214413044
642211403433255
74101260422331
oct653521166143
9174137037028
1057399372899
11223854a4470
12b15ab2582b
135549a2799b
142ac732ab51
15175e29b8ee
hexd5d44ec63

57399372899 has 8 divisors (see below), whose sum is σ = 62619289392. Its totient is φ = 52179755040.

The previous prime is 57399372889. The next prime is 57399372929. The reversal of 57399372899 is 99827399375.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57399372899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57399372889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567197 + ... + 660689.

It is an arithmetic number, because the mean of its divisors is an integer number (7827411174).

Almost surely, 257399372899 is an apocalyptic number.

57399372899 is a deficient number, since it is larger than the sum of its proper divisors (5219916493).

57399372899 is a wasteful number, since it uses less digits than its factorization.

57399372899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149317.

The product of its digits is 231472080, while the sum is 71.

The spelling of 57399372899 in words is "fifty-seven billion, three hundred ninety-nine million, three hundred seventy-two thousand, eight hundred ninety-nine".

Divisors: 1 11 55813 93493 613943 1028423 5218124809 57399372899