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842479797930 = 235120123382731
BaseRepresentation
bin11000100001001111011…
…01011000011010101010
32222112120212101001201220
430100213231120122222
5102300344312013210
61443010241522510
7114603302061261
oct14204755303252
92875525331656
10842479797930
112a5325978711
12117340943436
13615a3a06c94
142cac20055d8
1516dac863c70
hexc427b586aa

842479797930 has 32 divisors (see below), whose sum is σ = 2023635158208. Its totient is φ = 224474208000.

The previous prime is 842479797923. The next prime is 842479797947. The reversal of 842479797930 is 39797974248.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11655336 + ... + 11727395.

It is an arithmetic number, because the mean of its divisors is an integer number (63238598694).

Almost surely, 2842479797930 is an apocalyptic number.

842479797930 is an abundant number, since it is smaller than the sum of its proper divisors (1181155360278).

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

842479797930 is a wasteful number, since it uses less digits than its factorization.

842479797930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23383942.

The product of its (nonzero) digits is 192036096, while the sum is 69.

The spelling of 842479797930 in words is "eight hundred forty-two billion, four hundred seventy-nine million, seven hundred ninety-seven thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1201 2402 3603 6005 7206 12010 18015 36030 23382731 46765462 70148193 116913655 140296386 233827310 350740965 701481930 28082659931 56165319862 84247979793 140413299655 168495959586 280826599310 421239898965 842479797930