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2118563038 = 224119792221
BaseRepresentation
bin111111001000110…
…1011010011011110
312110122110011010201
41332101223103132
513314323004123
6550120054114
7103333326424
oct17621532336
95418404121
102118563038
11997967849
124b160433a
13279bba1c7
1416151d114
15c5ed25ad
hex7e46b4de

2118563038 has 16 divisors (see below), whose sum is σ = 3194080560. Its totient is φ = 1053878400.

The previous prime is 2118563009. The next prime is 2118563053. The reversal of 2118563038 is 8303658112.

It is a junction number, because it is equal to n+sod(n) for n = 2118562988 and 2118563006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 952768 + ... + 954988.

It is an arithmetic number, because the mean of its divisors is an integer number (199630035).

Almost surely, 22118563038 is an apocalyptic number.

2118563038 is a deficient number, since it is larger than the sum of its proper divisors (1075517522).

2118563038 is a wasteful number, since it uses less digits than its factorization.

2118563038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2118563038 is about 46027.8506776061. The cubic root of 2118563038 is about 1284.3413457461.

The spelling of 2118563038 in words is "two billion, one hundred eighteen million, five hundred sixty-three thousand, thirty-eight".

Divisors: 1 2 241 482 1979 2221 3958 4442 476939 535261 953878 1070522 4395359 8790718 1059281519 2118563038