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2118135103 = 7317934499
BaseRepresentation
bin111111001000000…
…0010110100111111
312110121122102010021
41332100002310333
513314220310403
6550102553011
7103326565000
oct17620026477
95417572107
102118135103
119976a5287
124b1438767
13279a9a4a6
1416144b1a7
15c5e4a8bd
hex7e402d3f

2118135103 has 16 divisors (see below), whose sum is σ = 2484000000. Its totient is φ = 1805349336.

The previous prime is 2118135101. The next prime is 2118135137. The reversal of 2118135103 is 3015318112.

It is not a de Polignac number, because 2118135103 - 21 = 2118135101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118135101) 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 in 15 ways as a sum of consecutive naturals, for example, 44148 + ... + 78646.

It is an arithmetic number, because the mean of its divisors is an integer number (155250000).

Almost surely, 22118135103 is an apocalyptic number.

2118135103 is a deficient number, since it is larger than the sum of its proper divisors (365864897).

2118135103 is an equidigital number, since it uses as much as digits as its factorization.

2118135103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34699 (or 34685 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 2118135103 is about 46023.2017899668. The cubic root of 2118135103 is about 1284.2548639163.

The spelling of 2118135103 in words is "two billion, one hundred eighteen million, one hundred thirty-five thousand, one hundred three".

Divisors: 1 7 49 179 343 1253 8771 34499 61397 241493 1690451 6175321 11833157 43227247 302590729 2118135103