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2680955863 = 11257238159
BaseRepresentation
bin1001111111001100…
…0010001111010111
320220211200200001121
42133303002033113
520442311041423
61122010104411
7123302514565
oct23763021727
96824620047
102680955863
111156369903
12629a1b107
13339579421
141b60b6a35
1510a57245d
hex9fcc23d7

2680955863 has 4 divisors (see below), whose sum is σ = 2681205280. Its totient is φ = 2680706448.

The previous prime is 2680955839. The next prime is 2680955887. The reversal of 2680955863 is 3685590862.

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

It is an interprime number because it is at equal distance from previous prime (2680955839) and next prime (2680955887).

It is a cyclic number.

It is not a de Polignac number, because 2680955863 - 225 = 2647401431 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 2680955863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680955833) 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, 107823 + ... + 130336.

It is an arithmetic number, because the mean of its divisors is an integer number (670301320).

Almost surely, 22680955863 is an apocalyptic number.

2680955863 is a deficient number, since it is larger than the sum of its proper divisors (249417).

2680955863 is a wasteful number, since it uses less digits than its factorization.

2680955863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249416.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The square root of 2680955863 is about 51777.9476514858. The cubic root of 2680955863 is about 1389.1950315666.

The spelling of 2680955863 in words is "two billion, six hundred eighty million, nine hundred fifty-five thousand, eight hundred sixty-three".

Divisors: 1 11257 238159 2680955863