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116818943 = 315397733
BaseRepresentation
bin1101111011010…
…00001111111111
322010211000110112
412331220033333
5214401201233
615331500235
72615642003
oct675501777
9263730415
10116818943
115aa3988a
123315767b
131b282047
141172c703
15a3c8048
hex6f683ff

116818943 has 16 divisors (see below), whose sum is σ = 124298496. Its totient is φ = 109624320.

The previous prime is 116818939. The next prime is 116818957. The reversal of 116818943 is 349818611.

It is a cyclic number.

It is not a de Polignac number, because 116818943 - 22 = 116818939 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 116818943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116818043) 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 15 ways as a sum of consecutive naturals, for example, 159005 + ... + 159737.

It is an arithmetic number, because the mean of its divisors is an integer number (7768656).

Almost surely, 2116818943 is an apocalyptic number.

116818943 is a deficient number, since it is larger than the sum of its proper divisors (7479553).

116818943 is an equidigital number, since it uses as much as digits as its factorization.

116818943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914.

The product of its digits is 41472, while the sum is 41.

The square root of 116818943 is about 10808.2812232103. The cubic root of 116818943 is about 488.8449023920.

The spelling of 116818943 in words is "one hundred sixteen million, eight hundred eighteen thousand, nine hundred forty-three".

Divisors: 1 31 53 97 733 1643 3007 5141 22723 38849 71101 159371 1204319 2204131 3768353 116818943