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2118049663 is a prime number
BaseRepresentation
bin111111000111110…
…1101111101111111
312110121111001220211
41332033231331333
513314210042123
6550101053251
7103326060622
oct17617557577
95417431824
102118049663
11997647074
124b13b7227
13279a6a632
14161427db9
15c5e3040d
hex7e3edf7f

2118049663 has 2 divisors, whose sum is σ = 2118049664. Its totient is φ = 2118049662.

The previous prime is 2118049651. The next prime is 2118049711. The reversal of 2118049663 is 3669408112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2118049663 - 25 = 2118049631 is a prime.

It is a super-2 number, since 2×21180496632 = 8972268749868827138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2118049603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059024831 + 1059024832.

It is an arithmetic number, because the mean of its divisors is an integer number (1059024832).

Almost surely, 22118049663 is an apocalyptic number.

2118049663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2118049663 is an equidigital number, since it uses as much as digits as its factorization.

2118049663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 2118049663 is about 46022.2735531395. The cubic root of 2118049663 is about 1284.2375958628.

The spelling of 2118049663 in words is "two billion, one hundred eighteen million, forty-nine thousand, six hundred sixty-three".