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818379388693014 = 23799973217359
BaseRepresentation
bin1011101000010011111100110…
…0110000010010101000010110
310222022122022020200220101011220
42322010333030300102220112
51324231311442001134024
612020314145003311210
7334243650110034531
oct27204771460225026
93868568220811156
10818379388693014
112178408278a0935
12779534a951b506
1329184acac24565
1410613ab928da18
156492dd528ee79
hex2e84fccc12a16

818379388693014 has 48 divisors (see below), whose sum is σ = 1657738947916800. Its totient is φ = 269297530733088.

The previous prime is 818379388692917. The next prime is 818379388693049. The reversal of 818379388693014 is 410396883973818.

It is a super-2 number, since 2×8183793886930142 (a number of 31 digits) contains 22 as substring.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 47144376867 + ... + 47144394225.

It is an arithmetic number, because the mean of its divisors is an integer number (34536228081600).

Almost surely, 2818379388693014 is an apocalyptic number.

818379388693014 is an abundant number, since it is smaller than the sum of its proper divisors (839359559223786).

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

818379388693014 is an frugal number, since it uses more digits than its factorization.

818379388693014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37389 (or 27416 counting only the distinct ones).

The product of its (nonzero) digits is 1504935936, while the sum is 78.

The spelling of 818379388693014 in words is "eight hundred eighteen trillion, three hundred seventy-nine billion, three hundred eighty-eight million, six hundred ninety-three thousand, fourteen".

Divisors: 1 2 3 6 79 158 237 474 9973 17359 19946 29919 34718 52077 59838 104154 787867 1371361 1575734 2363601 2742722 4114083 4727202 8228166 99460729 173121307 198921458 298382187 346242614 519363921 596764374 1038727842 7857397591 13676583253 15714795182 23572192773 27353166506 41029749759 47144385546 82059499518 1726538794711 3453077589422 5179616384133 10359232768266 136396564782169 272793129564338 409189694346507 818379388693014