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2114782281 = 32870726987
BaseRepresentation
bin111111000001101…
…0000010001001001
312110101100001220200
41332003100101021
513312341013111
6545503042413
7103256232003
oct17603202111
95411301820
102114782281
11995815257
124b02a0409
13279195381
14160c17373
15c59d7256
hex7e0d0449

2114782281 has 12 divisors (see below), whose sum is σ = 3055149552. Its totient is φ = 1409640696.

The previous prime is 2114782277. The next prime is 2114782361. The reversal of 2114782281 is 1822874112.

It is a happy number.

It is not a de Polignac number, because 2114782281 - 22 = 2114782277 is a prime.

It is a super-2 number, since 2×21147822812 = 8944608192063125922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2114782781) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 64870 + ... + 91856.

It is an arithmetic number, because the mean of its divisors is an integer number (254595796).

Almost surely, 22114782281 is an apocalyptic number.

It is an amenable number.

2114782281 is a deficient number, since it is larger than the sum of its proper divisors (940367271).

2114782281 is a wasteful number, since it uses less digits than its factorization.

2114782281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35700 (or 35697 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 2114782281 is about 45986.7620190854. The cubic root of 2114782281 is about 1283.5768851450.

The spelling of 2114782281 in words is "two billion, one hundred fourteen million, seven hundred eighty-two thousand, two hundred eighty-one".

Divisors: 1 3 9 8707 26121 26987 78363 80961 242883 234975809 704927427 2114782281