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57050041973 = 123474620559
BaseRepresentation
bin110101001000011100…
…101000111001110101
312110020220201102002112
4311020130220321311
51413314302320343
642113004220405
74056516232661
oct651034507165
9173226642075
1057050041973
1122216296a21
12b081b3a705
1354c25471b2
142a92b958a1
15173d796218
hexd48728e75

57050041973 has 4 divisors (see below), whose sum is σ = 57054674880. Its totient is φ = 57045409068.

The previous prime is 57050041933. The next prime is 57050041987. The reversal of 57050041973 is 37914005075.

57050041973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 57050041973 - 28 = 57050041717 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 57050041973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57050041903) 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, 2297933 + ... + 2322626.

It is an arithmetic number, because the mean of its divisors is an integer number (14263668720).

Almost surely, 257050041973 is an apocalyptic number.

It is an amenable number.

57050041973 is a deficient number, since it is larger than the sum of its proper divisors (4632907).

57050041973 is a wasteful number, since it uses less digits than its factorization.

57050041973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4632906.

The product of its (nonzero) digits is 132300, while the sum is 41.

The spelling of 57050041973 in words is "fifty-seven billion, fifty million, forty-one thousand, nine hundred seventy-three".

Divisors: 1 12347 4620559 57050041973