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2680880626842 = 2311234143074659
BaseRepresentation
bin100111000000110000111…
…011111111110010011010
3100111021211011212110101020
4213000300323333302122
5322410420420024332
65411325103503310
7364454502224625
oct47006073776232
910437734773336
102680880626842
11943a56250440
123736a55b7b36
13165a628c9052
1493a80824dbc
1549b087ba82c
hex27030effc9a

2680880626842 has 64 divisors (see below), whose sum is σ = 6252373048320. Its totient is φ = 758113980800.

The previous prime is 2680880626829. The next prime is 2680880626871. The reversal of 2680880626842 is 2486260880862.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21475092 + ... + 21599567.

It is an arithmetic number, because the mean of its divisors is an integer number (97693328880).

Almost surely, 22680880626842 is an apocalyptic number.

2680880626842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2680880626842 is an abundant number, since it is smaller than the sum of its proper divisors (3571492421478).

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

2680880626842 is a wasteful number, since it uses less digits than its factorization.

2680880626842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43074739.

The product of its (nonzero) digits is 28311552, while the sum is 60.

The spelling of 2680880626842 in words is "two trillion, six hundred eighty billion, eight hundred eighty million, six hundred twenty-six thousand, eight hundred forty-two".

Divisors: 1 2 3 6 11 22 23 33 41 46 66 69 82 123 138 246 253 451 506 759 902 943 1353 1518 1886 2706 2829 5658 10373 20746 31119 62238 43074659 86149318 129223977 258447954 473821249 947642498 990717157 1421463747 1766061019 1981434314 2842927494 2972151471 3532122038 5298183057 5944302942 10596366114 10897888727 19426671209 21795777454 32693666181 38853342418 40619403437 58280013627 65387332362 81238806874 116560027254 121858210311 243716420622 446813437807 893626875614 1340440313421 2680880626842