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2117927044 = 221455736373
BaseRepresentation
bin111111000111101…
…0000000010000100
312110121020211201101
41332033100002010
513314142131134
6550054305444
7103325040262
oct17617200204
95417224641
102117927044
11997572a32
124b1358284
13279a2688c
141613d5432
15c5e08e14
hex7e3d0084

2117927044 has 12 divisors (see below), whose sum is σ = 3706728844. Its totient is φ = 1058861664.

The previous prime is 2117927041. The next prime is 2117927083. The reversal of 2117927044 is 4407297112.

It can be written as a sum of positive squares in 2 ways, for example, as 854977600 + 1262949444 = 29240^2 + 35538^2 .

It is a super-2 number, since 2×21179270442 = 8971229927413155872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2117926994 and 2117927012.

It is not an unprimeable number, because it can be changed into a prime (2117927041) 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 3 ways as a sum of consecutive naturals, for example, 40042 + ... + 76414.

Almost surely, 22117927044 is an apocalyptic number.

It is an amenable number.

2117927044 is a deficient number, since it is larger than the sum of its proper divisors (1588801800).

2117927044 is a wasteful number, since it uses less digits than its factorization.

2117927044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50934 (or 50932 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 2117927044 is about 46020.9413636879. The cubic root of 2117927044 is about 1284.2128128479.

The spelling of 2117927044 in words is "two billion, one hundred seventeen million, nine hundred twenty-seven thousand, forty-four".

Divisors: 1 2 4 14557 29114 36373 58228 72746 145492 529481761 1058963522 2117927044