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2081443282 = 223149303683
BaseRepresentation
bin111110000010000…
…0100110111010010
312101001121021101221
41330010010313102
513230322141112
6542312315254
7102402655522
oct17404046722
95331537357
102081443282
11978a14166
124a10a2b2a
132722c1659
1415a619682
15c2aede07
hex7c104dd2

2081443282 has 16 divisors (see below), whose sum is σ = 3279787200. Its totient is φ = 988788592.

The previous prime is 2081443237. The next prime is 2081443283. The reversal of 2081443282 is 2823441802.

It is a super-2 number, since 2×20814432822 = 8664812272365863048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2081443283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144988 + ... + 158695.

It is an arithmetic number, because the mean of its divisors is an integer number (204986700).

Almost surely, 22081443282 is an apocalyptic number.

2081443282 is a deficient number, since it is larger than the sum of its proper divisors (1198343918).

2081443282 is a wasteful number, since it uses less digits than its factorization.

2081443282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303857.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 2081443282 is about 45622.8372857279. The cubic root of 2081443282 is about 1276.7960400206.

The spelling of 2081443282 in words is "two billion, eighty-one million, four hundred forty-three thousand, two hundred eighty-two".

Divisors: 1 2 23 46 149 298 3427 6854 303683 607366 6984709 13969418 45248767 90497534 1040721641 2081443282