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7042423747866 = 2313432412187049
BaseRepresentation
bin110011001111011000100…
…1010100111010100011010
3220221020201121201122220020
41212132301022213110122
51410340340434412431
622551124513411310
71324540553113263
oct146366112472432
926836647648806
107042423747866
112275747678aa1
12958a51569b36
133c113688cb10
141a4bd868596a
15c32c9d9d696
hex667b12a751a

7042423747866 has 64 divisors (see below), whose sum is σ = 15521870179200. Its totient is φ = 2116394542080.

The previous prime is 7042423747859. The next prime is 7042423747897. The reversal of 7042423747866 is 6687473242407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80858310 + ... + 80945358.

It is an arithmetic number, because the mean of its divisors is an integer number (242529221550).

Almost surely, 27042423747866 is an apocalyptic number.

7042423747866 is an abundant number, since it is smaller than the sum of its proper divisors (8479446431334).

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

7042423747866 is a wasteful number, since it uses less digits than its factorization.

7042423747866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111231.

The product of its (nonzero) digits is 75866112, while the sum is 60.

The spelling of 7042423747866 in words is "seven trillion, forty-two billion, four hundred twenty-three million, seven hundred forty-seven thousand, eight hundred sixty-six".

Divisors: 1 2 3 6 13 26 39 43 78 86 129 258 559 1118 1677 3354 24121 48242 72363 87049 144726 174098 261147 313573 522294 627146 940719 1037203 1131637 1881438 2074406 2263274 3111609 3394911 3743107 6223218 6789822 7486214 11229321 13483639 22458642 26967278 40450917 48660391 80901834 97320782 145981173 291962346 2099708929 4199417858 6299126787 12598253574 27296216077 54592432154 81888648231 90287483947 163777296462 180574967894 270862451841 541724903682 1173737291311 2347474582622 3521211873933 7042423747866