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2680388843060 = 225487127513743
BaseRepresentation
bin100111000000010011100…
…111111111011000110100
3100111020112220111020212002
4213000103213333120310
5322403414020434220
65411204215114432
7364436351150645
oct47002347773064
910436486436762
102680388843060
11943823695a65
12373588972a18
131659b4a5c926
1493a353ab6cc
1549aca526c75
hex270139ff634

2680388843060 has 24 divisors (see below), whose sum is σ = 5629972352256. Its totient is φ = 1071935388320.

The previous prime is 2680388843029. The next prime is 2680388843129. The reversal of 2680388843060 is 603488830862.

It is a junction number, because it is equal to n+sod(n) for n = 2680388842987 and 2680388843005.

It is a congruent 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, 13659452 + ... + 13854291.

It is an arithmetic number, because the mean of its divisors is an integer number (234582181344).

Almost surely, 22680388843060 is an apocalyptic number.

2680388843060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2680388843060 is an abundant number, since it is smaller than the sum of its proper divisors (2949583509196).

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

2680388843060 is a wasteful number, since it uses less digits than its factorization.

2680388843060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27518623 (or 27518621 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 56.

The spelling of 2680388843060 in words is "two trillion, six hundred eighty billion, three hundred eighty-eight million, eight hundred forty-three thousand, sixty".

Divisors: 1 2 4 5 10 20 4871 9742 19484 24355 48710 97420 27513743 55027486 110054972 137568715 275137430 550274860 134019442153 268038884306 536077768612 670097210765 1340194421530 2680388843060