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2018642332 = 227122958661
BaseRepresentation
bin111100001010010…
…0000100110011100
312012200102122200211
41320110200212130
513113233023312
6532150302204
7101011114420
oct17024404634
95180378624
102018642332
1194651a953
12484057964
132622a3825
1415214cb80
15bc3463a7
hex7852099c

2018642332 has 24 divisors (see below), whose sum is σ = 4040638560. Its totient is φ = 864413760.

The previous prime is 2018642309. The next prime is 2018642341. The reversal of 2018642332 is 2332468102.

It is a junction number, because it is equal to n+sod(n) for n = 2018642294 and 2018642303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5082 + ... + 63742.

It is an arithmetic number, because the mean of its divisors is an integer number (168359940).

Almost surely, 22018642332 is an apocalyptic number.

It is an amenable number.

2018642332 is an abundant number, since it is smaller than the sum of its proper divisors (2021996228).

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

2018642332 is a wasteful number, since it uses less digits than its factorization.

2018642332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59901 (or 59899 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2018642332 is about 44929.3037114977. The cubic root of 2018642332 is about 1263.8235938922.

The spelling of 2018642332 in words is "two billion, eighteen million, six hundred forty-two thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 1229 2458 4916 8603 17206 34412 58661 117322 234644 410627 821254 1642508 72094369 144188738 288377476 504660583 1009321166 2018642332