Search a number
-
+
57900105901 = 115263645991
BaseRepresentation
bin110101111011000111…
…011000000010101101
312112110011021010120201
4311323013120002231
51422034411342101
642333212113501
74116550531321
oct657307300255
9175404233521
1057900105901
11226121115a0
12b27a765891
1355c96a85c1
142b33a33981
15178d20be01
hexd7b1d80ad

57900105901 has 4 divisors (see below), whose sum is σ = 63163751904. Its totient is φ = 52636459900.

The previous prime is 57900105883. The next prime is 57900105917. The reversal of 57900105901 is 10950100975.

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.

It is a cyclic number.

It is not a de Polignac number, because 57900105901 - 27 = 57900105773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57900105101) 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 3 ways as a sum of consecutive naturals, for example, 2631822985 + ... + 2631823006.

It is an arithmetic number, because the mean of its divisors is an integer number (15790937976).

Almost surely, 257900105901 is an apocalyptic number.

It is an amenable number.

57900105901 is a deficient number, since it is larger than the sum of its proper divisors (5263646003).

57900105901 is a wasteful number, since it uses less digits than its factorization.

57900105901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263646002.

The product of its (nonzero) digits is 14175, while the sum is 37.

The spelling of 57900105901 in words is "fifty-seven billion, nine hundred million, one hundred five thousand, nine hundred one".

Divisors: 1 11 5263645991 57900105901