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2118272701 is a prime number
BaseRepresentation
bin111111001000010…
…0100011010111101
312110121220101212111
41332100210122331
513314234211301
6550105534021
7103331010106
oct17620443275
95417811774
102118272701
119977896a6
124b14a4311
13279b17ccc
141614853ad
15c5e76551
hex7e4246bd

2118272701 has 2 divisors, whose sum is σ = 2118272702. Its totient is φ = 2118272700.

The previous prime is 2118272669. The next prime is 2118272719. The reversal of 2118272701 is 1072728112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1155660025 + 962612676 = 33995^2 + 31026^2 .

It is a cyclic number.

It is not a de Polignac number, because 2118272701 - 25 = 2118272669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2118270701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059136350 + 1059136351.

It is an arithmetic number, because the mean of its divisors is an integer number (1059136351).

Almost surely, 22118272701 is an apocalyptic number.

It is an amenable number.

2118272701 is a deficient number, since it is larger than the sum of its proper divisors (1).

2118272701 is an equidigital number, since it uses as much as digits as its factorization.

2118272701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 2118272701 is about 46024.6966421290. The cubic root of 2118272701 is about 1284.2826725098.

The spelling of 2118272701 in words is "two billion, one hundred eighteen million, two hundred seventy-two thousand, seven hundred one".