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2081931332 = 221340037141
BaseRepresentation
bin111110000010111…
…1100000001000100
312101002112001212212
41330011330001010
513230433300312
6542331002552
7102410060435
oct17405740104
95332461785
102081931332
11979217908
124a1299458
13272432840
1415a70548c
15c2b98822
hex7c17c044

2081931332 has 12 divisors (see below), whose sum is σ = 3923639916. Its totient is φ = 960891360.

The previous prime is 2081931329. The next prime is 2081931347. The reversal of 2081931332 is 2331391802.

It can be written as a sum of positive squares in 2 ways, for example, as 714706756 + 1367224576 = 26734^2 + 36976^2 .

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 3 ways as a sum of consecutive naturals, for example, 20018519 + ... + 20018622.

It is an arithmetic number, because the mean of its divisors is an integer number (326969993).

Almost surely, 22081931332 is an apocalyptic number.

It is an amenable number.

2081931332 is a deficient number, since it is larger than the sum of its proper divisors (1841708584).

2081931332 is a wasteful number, since it uses less digits than its factorization.

2081931332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40037158 (or 40037156 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2081931332 is about 45628.1857189172. The cubic root of 2081931332 is about 1276.8958252057.

The spelling of 2081931332 in words is "two billion, eighty-one million, nine hundred thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 13 26 52 40037141 80074282 160148564 520482833 1040965666 2081931332