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10868851 = 71552693
BaseRepresentation
bin101001011101…
…100001110011
3202110012021001
4221131201303
510240300401
61024542431
7161245420
oct51354163
922405231
1010868851
116153a24
123781a17
132337196
14162cd47
15e4a601
hexa5d873

10868851 has 4 divisors (see below), whose sum is σ = 12421552. Its totient is φ = 9316152.

The previous prime is 10868849. The next prime is 10868867. The reversal of 10868851 is 15886801.

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 10868851 - 21 = 10868849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10868851.

It is not an unprimeable number, because it can be changed into a prime (10868651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776340 + ... + 776353.

It is an arithmetic number, because the mean of its divisors is an integer number (3105388).

Almost surely, 210868851 is an apocalyptic number.

10868851 is a deficient number, since it is larger than the sum of its proper divisors (1552701).

10868851 is an equidigital number, since it uses as much as digits as its factorization.

10868851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552700.

The product of its (nonzero) digits is 15360, while the sum is 37.

The square root of 10868851 is about 3296.7940487692. The cubic root of 10868851 is about 221.5106161058.

The spelling of 10868851 in words is "ten million, eight hundred sixty-eight thousand, eight hundred fifty-one".

Divisors: 1 7 1552693 10868851