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10950809691 = 318175726641
BaseRepresentation
bin10100011001011100…
…00001100001011011
31001021011212202211010
422030232001201123
5134411401402231
65010345505003
7535241226603
oct121456014133
931234782733
1010950809691
11470a4a0448
1221574a2163
131056993963
1475c547c03
154415c4546
hex28cb8185b

10950809691 has 16 divisors (see below), whose sum is σ = 14701695008. Its totient is φ = 7250342400.

The previous prime is 10950809689. The next prime is 10950809711. The reversal of 10950809691 is 19690805901.

It is not a de Polignac number, because 10950809691 - 21 = 10950809689 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 10950809691.

It is not an unprimeable number, because it can be changed into a prime (10950809621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397731 + ... + 424371.

It is an arithmetic number, because the mean of its divisors is an integer number (918855938).

Almost surely, 210950809691 is an apocalyptic number.

10950809691 is a deficient number, since it is larger than the sum of its proper divisors (3750885317).

10950809691 is a wasteful number, since it uses less digits than its factorization.

10950809691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27582.

The product of its (nonzero) digits is 174960, while the sum is 48.

The spelling of 10950809691 in words is "ten billion, nine hundred fifty million, eight hundred nine thousand, six hundred ninety-one".

Divisors: 1 3 181 543 757 2271 26641 79923 137017 411051 4822021 14466063 20167237 60501711 3650269897 10950809691