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2680434894 = 23895019541
BaseRepresentation
bin1001111111000100…
…0011000011001110
320220210201012102110
42133301003003032
520442142404034
61121551004450
7123265214664
oct23761030316
96823635373
102680434894
111156043455
12629809726
13339426267
141b5dbcc34
1510a4bcde9
hex9fc430ce

2680434894 has 16 divisors (see below), whose sum is σ = 5421105360. Its totient is φ = 883439040.

The previous prime is 2680434893. The next prime is 2680434943. The reversal of 2680434894 is 4984340862.

2680434894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680434893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2509237 + ... + 2510304.

It is an arithmetic number, because the mean of its divisors is an integer number (338819085).

Almost surely, 22680434894 is an apocalyptic number.

2680434894 is an abundant number, since it is smaller than the sum of its proper divisors (2740670466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2680434894 is a wasteful number, since it uses less digits than its factorization.

2680434894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5019635.

The product of its (nonzero) digits is 1327104, while the sum is 48.

The square root of 2680434894 is about 51772.9166070447. The cubic root of 2680434894 is about 1389.1050419674.

The spelling of 2680434894 in words is "two billion, six hundred eighty million, four hundred thirty-four thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 89 178 267 534 5019541 10039082 15058623 30117246 446739149 893478298 1340217447 2680434894