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10974551891 = 43283390089
BaseRepresentation
bin10100011100010001…
…00101111101010011
31001022211112222222212
422032020211331103
5134433441130031
65012554422335
7535650103052
oct121610457523
931284488885
1010974551891
1147219372a6
1221634319ab
13105b8874b4
14761768399
1544371412b
hex28e225f53

10974551891 has 8 divisors (see below), whose sum is σ = 11233862640. Its totient is φ = 10715427072.

The previous prime is 10974551869. The next prime is 10974551897. The reversal of 10974551891 is 19815547901.

10974551891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10974551891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10974551897) 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 7 ways as a sum of consecutive naturals, for example, 76775 + ... + 166863.

It is an arithmetic number, because the mean of its divisors is an integer number (1404232830).

Almost surely, 210974551891 is an apocalyptic number.

10974551891 is a deficient number, since it is larger than the sum of its proper divisors (259310749).

10974551891 is an equidigital number, since it uses as much as digits as its factorization.

10974551891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92965.

The product of its (nonzero) digits is 453600, while the sum is 50.

The spelling of 10974551891 in words is "ten billion, nine hundred seventy-four million, five hundred fifty-one thousand, eight hundred ninety-one".

Divisors: 1 43 2833 90089 121819 3873827 255222137 10974551891