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2680068766555 = 51731530220783
BaseRepresentation
bin100111000000000000100…
…010111111101101011011
3100111012201121012200102201
4213000000202333231123
5322402240101012210
65411112342511031
7364425413433205
oct47000042775533
910435647180381
102680068766555
11943679a49824
123734b9735477
1316596365294b
1493a04a8d775
1549aac39e53a
hex270008bfb5b

2680068766555 has 8 divisors (see below), whose sum is σ = 3405263844672. Its totient is φ = 2017934130048.

The previous prime is 2680068766547. The next prime is 2680068766579. The reversal of 2680068766555 is 5556678600862.

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 2680068766555 - 23 = 2680068766547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15765110307 + ... + 15765110476.

It is an arithmetic number, because the mean of its divisors is an integer number (425657980584).

Almost surely, 22680068766555 is an apocalyptic number.

2680068766555 is a deficient number, since it is larger than the sum of its proper divisors (725195078117).

2680068766555 is a wasteful number, since it uses less digits than its factorization.

2680068766555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31530220805.

The product of its (nonzero) digits is 145152000, while the sum is 64.

The spelling of 2680068766555 in words is "two trillion, six hundred eighty billion, sixty-eight million, seven hundred sixty-six thousand, five hundred fifty-five".

Divisors: 1 5 17 85 31530220783 157651103915 536013753311 2680068766555