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11891881080359 = 74689733622469
BaseRepresentation
bin1010110100001100101101…
…0110001111011000100111
31120002212000122020220120022
42231003023112033120213
53024314033024032414
641143015454225355
72335105620242240
oct255031326173047
946085018226508
1011891881080359
113875355938265
121400886ab525b
13683526b30aa7
142d17da579cc7
1515950604a18e
hexad0cb58f627

11891881080359 has 8 divisors (see below), whose sum is σ = 13590753966240. Its totient is φ = 10193016377376.

The previous prime is 11891881080353. The next prime is 11891881080397. The reversal of 11891881080359 is 95308018819811.

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

It is a de Polignac number, because none of the positive numbers 2k-11891881080359 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 (11891881080353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1471577 + ... + 5094045.

It is an arithmetic number, because the mean of its divisors is an integer number (1698844245780).

Almost surely, 211891881080359 is an apocalyptic number.

11891881080359 is a deficient number, since it is larger than the sum of its proper divisors (1698872885881).

11891881080359 is an equidigital number, since it uses as much as digits as its factorization.

11891881080359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091449.

The product of its (nonzero) digits is 4976640, while the sum is 62.

The spelling of 11891881080359 in words is "eleven trillion, eight hundred ninety-one billion, eight hundred eighty-one million, eighty thousand, three hundred fifty-nine".

Divisors: 1 7 468973 3282811 3622469 25357283 1698840154337 11891881080359