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10894868128871 = 89122414248639
BaseRepresentation
bin1001111010001010100010…
…1111101010010001100111
31102120112120002111021022122
42132202220233222101213
52412000142220110441
635101011110420155
72203061663054366
oct236425057522147
942515502437278
1010894868128871
113520540037101
12127b5b936165b
136104c666369c
14299458b277dd
1513d601b6a34b
hex9e8a8bea467

10894868128871 has 4 divisors (see below), whose sum is σ = 11017282377600. Its totient is φ = 10772453880144.

The previous prime is 10894868128867. The next prime is 10894868128883. The reversal of 10894868128871 is 17882186849801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10894868128871 - 22 = 10894868128867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10894868128795 and 10894868128804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10894868128831) 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 3 ways as a sum of consecutive naturals, for example, 61207124231 + ... + 61207124408.

It is an arithmetic number, because the mean of its divisors is an integer number (2754320594400).

Almost surely, 210894868128871 is an apocalyptic number.

10894868128871 is a deficient number, since it is larger than the sum of its proper divisors (122414248729).

10894868128871 is an equidigital number, since it uses as much as digits as its factorization.

10894868128871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122414248728.

The product of its (nonzero) digits is 99090432, while the sum is 71.

The spelling of 10894868128871 in words is "ten trillion, eight hundred ninety-four billion, eight hundred sixty-eight million, one hundred twenty-eight thousand, eight hundred seventy-one".

Divisors: 1 89 122414248639 10894868128871