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2680969835 = 5536193967
BaseRepresentation
bin1001111111001100…
…0101101001101011
320220211201101020002
42133303011221223
520442312013320
61122010253215
7123302603405
oct23763055153
96824641202
102680969835
111156379355
12629a2720b
133395828ab
141b60bbb75
1510a576675
hex9fcc5a6b

2680969835 has 4 divisors (see below), whose sum is σ = 3217163808. Its totient is φ = 2144775864.

The previous prime is 2680969831. The next prime is 2680969843. The reversal of 2680969835 is 5389690862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5389690862 = 22694845431.

It is a cyclic number.

It is not a de Polignac number, because 2680969835 - 22 = 2680969831 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2680969831) 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, 268096979 + ... + 268096988.

It is an arithmetic number, because the mean of its divisors is an integer number (804290952).

Almost surely, 22680969835 is an apocalyptic number.

2680969835 is a deficient number, since it is larger than the sum of its proper divisors (536193973).

2680969835 is an equidigital number, since it uses as much as digits as its factorization.

2680969835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536193972.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The square root of 2680969835 is about 51778.0825736141. The cubic root of 2680969835 is about 1389.1974448600.

The spelling of 2680969835 in words is "two billion, six hundred eighty million, nine hundred sixty-nine thousand, eight hundred thirty-five".

Divisors: 1 5 536193967 2680969835