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11857041077 = 71693863011
BaseRepresentation
bin10110000101011110…
…00001011010110101
31010121100010002120112
423002233001122311
5143240400303302
65240321312405
7566554120610
oct130257013265
933540102515
1011857041077
115034a99502
12236aa95705
13116c65c74b
14806a47177
15495e32552
hex2c2bc16b5

11857041077 has 4 divisors (see below), whose sum is σ = 13550904096. Its totient is φ = 10163178060.

The previous prime is 11857041073. The next prime is 11857041083. The reversal of 11857041077 is 77014075811.

11857041077 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 not a de Polignac number, because 11857041077 - 22 = 11857041073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11857041073) 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, 846931499 + ... + 846931512.

It is an arithmetic number, because the mean of its divisors is an integer number (3387726024).

Almost surely, 211857041077 is an apocalyptic number.

It is an amenable number.

11857041077 is a deficient number, since it is larger than the sum of its proper divisors (1693863019).

11857041077 is an equidigital number, since it uses as much as digits as its factorization.

11857041077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693863018.

The product of its (nonzero) digits is 54880, while the sum is 41.

The spelling of 11857041077 in words is "eleven billion, eight hundred fifty-seven million, forty-one thousand, seventy-seven".

Divisors: 1 7 1693863011 11857041077