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18340885839050 = 2523074999239017
BaseRepresentation
bin1000010101110010100011…
…11111000011110011001010
32101221101000212110111122222
410022321101333003303022
54400444113233322200
6103001404151414042
73602041151236145
oct412712177036312
971841025414588
1018340885839050
115931364a01585
122082705684322
13a306cc309748
144759bc9cd05c
1521c14dbced85
hex10ae51fc3cca

18340885839050 has 48 divisors (see below), whose sum is σ = 34232157960000. Its totient is φ = 7310964044160.

The previous prime is 18340885839011. The next prime is 18340885839053. The reversal of 18340885839050 is 5093858804381.

It is a super-2 number, since 2×183408858390502 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18340885839053) by changing a digit.

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, 76615142 + ... + 76854158.

It is an arithmetic number, because the mean of its divisors is an integer number (713169957500).

Almost surely, 218340885839050 is an apocalyptic number.

18340885839050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18340885839050 is a deficient number, since it is larger than the sum of its proper divisors (15891272120950).

18340885839050 is a wasteful number, since it uses less digits than its factorization.

18340885839050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244335 (or 244330 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 62.

The spelling of 18340885839050 in words is "eighteen trillion, three hundred forty billion, eight hundred eighty-five million, eight hundred thirty-nine thousand, fifty".

Divisors: 1 2 5 10 25 50 307 614 1535 3070 4999 7675 9998 15350 24995 49990 124975 239017 249950 478034 1195085 1534693 2390170 3069386 5975425 7673465 11950850 15346930 38367325 73378219 76734650 146756438 366891095 733782190 1194845983 1834455475 2389691966 3668910950 5974229915 11948459830 29871149575 59742299150 366817716781 733635433562 1834088583905 3668177167810 9170442919525 18340885839050