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2680008715 = 51159746219
BaseRepresentation
bin1001111110111101…
…1011000000001011
320220202220112211001
42133233123000023
520442040234330
61121533515431
7123261461326
oct23757330013
96822815731
102680008715
11115588223a
12629642b77
13339307297
141b5d0b7bd
1510a4369ca
hex9fbdb00b

2680008715 has 8 divisors (see below), whose sum is σ = 3216357360. Its totient is φ = 2143775712.

The previous prime is 2680008713. The next prime is 2680008731. The reversal of 2680008715 is 5178000862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2680008715 - 21 = 2680008713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2680008713) 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, 34876 + ... + 81094.

It is an arithmetic number, because the mean of its divisors is an integer number (402044670).

Almost surely, 22680008715 is an apocalyptic number.

2680008715 is a deficient number, since it is larger than the sum of its proper divisors (536348645).

2680008715 is a wasteful number, since it uses less digits than its factorization.

2680008715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57821.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 2680008715 is about 51768.8005945666. The cubic root of 2680008715 is about 1389.0314172511.

The spelling of 2680008715 in words is "two billion, six hundred eighty million, eight thousand, seven hundred fifteen".

Divisors: 1 5 11597 46219 57985 231095 536001743 2680008715