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10108920891 = 329116194493
BaseRepresentation
bin10010110101000100…
…11110010000111011
3222002111201101111110
421122202132100323
5131200340432031
64351033131403
7505336260366
oct113242362073
928074641443
1010108920891
114318249983
121b61559b63
13c514355c4
146bc7d70dd
153e2725c46
hex25a89e43b

10108920891 has 8 divisors (see below), whose sum is σ = 13943339280. Its totient is φ = 6506891552.

The previous prime is 10108920853. The next prime is 10108920917. The reversal of 10108920891 is 19802980101.

10108920891 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 not a de Polignac number, because 10108920891 - 219 = 10108396603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10108920821) 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, 58097160 + ... + 58097333.

It is an arithmetic number, because the mean of its divisors is an integer number (1742917410).

Almost surely, 210108920891 is an apocalyptic number.

10108920891 is a deficient number, since it is larger than the sum of its proper divisors (3834418389).

10108920891 is a wasteful number, since it uses less digits than its factorization.

10108920891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116194525.

The product of its (nonzero) digits is 10368, while the sum is 39.

The spelling of 10108920891 in words is "ten billion, one hundred eight million, nine hundred twenty thousand, eight hundred ninety-one".

Divisors: 1 3 29 87 116194493 348583479 3369640297 10108920891