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10987936807 = 67191635353
BaseRepresentation
bin10100011101110111…
…01001110000100111
31001100202202000122111
422032323221300213
5140000402434212
65014153341451
7536201631121
oct121673516047
931322660574
1010987936807
114729449611
122167a07887
131061592973
14763450211
154449a9ea7
hex28eee9c27

10987936807 has 4 divisors (see below), whose sum is σ = 10989578880. Its totient is φ = 10986294736.

The previous prime is 10987936801. The next prime is 10987936811. The reversal of 10987936807 is 70863978901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10987936807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10987936801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810958 + ... + 824395.

It is an arithmetic number, because the mean of its divisors is an integer number (2747394720).

Almost surely, 210987936807 is an apocalyptic number.

10987936807 is a deficient number, since it is larger than the sum of its proper divisors (1642073).

10987936807 is an equidigital number, since it uses as much as digits as its factorization.

10987936807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642072.

The product of its (nonzero) digits is 4572288, while the sum is 58.

The spelling of 10987936807 in words is "ten billion, nine hundred eighty-seven million, nine hundred thirty-six thousand, eight hundred seven".

Divisors: 1 6719 1635353 10987936807