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57282427101 = 319094142367
BaseRepresentation
bin110101010110010011…
…000111100011011101
312110212002222210120010
4311112103013203131
51414303300131401
642152025113433
74065340411434
oct652623074335
9173762883503
1057282427101
1122325489349
12b127928879
13552b72cca3
142ab59a811b
151753d9aed6
hexd564c78dd

57282427101 has 4 divisors (see below), whose sum is σ = 76376569472. Its totient is φ = 38188284732.

The previous prime is 57282427093. The next prime is 57282427123. The reversal of 57282427101 is 10172428275.

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 not a de Polignac number, because 57282427101 - 23 = 57282427093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57282427101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57282427151) 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, 9547071181 + ... + 9547071186.

It is an arithmetic number, because the mean of its divisors is an integer number (19094142368).

Almost surely, 257282427101 is an apocalyptic number.

It is an amenable number.

57282427101 is a deficient number, since it is larger than the sum of its proper divisors (19094142371).

57282427101 is a wasteful number, since it uses less digits than its factorization.

57282427101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19094142370.

The product of its (nonzero) digits is 62720, while the sum is 39.

The spelling of 57282427101 in words is "fifty-seven billion, two hundred eighty-two million, four hundred twenty-seven thousand, one hundred one".

Divisors: 1 3 19094142367 57282427101