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10688170811 = 47922313509
BaseRepresentation
bin10011111010001000…
…01000101100111011
31000120212200100000012
421331010020230323
5133342132431221
64524324332135
7525601644563
oct117504105473
930525610005
1010688170811
114595214a1a
1220a354404b
131014447536
147356dbda3
154284e565b
hex27d108b3b

10688170811 has 4 divisors (see below), whose sum is σ = 10710484800. Its totient is φ = 10665856824.

The previous prime is 10688170789. The next prime is 10688170819. The reversal of 10688170811 is 11807188601.

10688170811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10688170811 - 210 = 10688169787 is a prime.

It is a super-2 number, since 2×106881708112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10688170819) 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 3 ways as a sum of consecutive naturals, for example, 11156276 + ... + 11157233.

It is an arithmetic number, because the mean of its divisors is an integer number (2677621200).

Almost surely, 210688170811 is an apocalyptic number.

10688170811 is a deficient number, since it is larger than the sum of its proper divisors (22313989).

10688170811 is an equidigital number, since it uses as much as digits as its factorization.

10688170811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22313988.

The product of its (nonzero) digits is 21504, while the sum is 41.

The spelling of 10688170811 in words is "ten billion, six hundred eighty-eight million, one hundred seventy thousand, eight hundred eleven".

Divisors: 1 479 22313509 10688170811