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2136518011 is a prime number
BaseRepresentation
bin111111101011000…
…1010110101111011
312111220020100201201
41333112022311323
513333422034021
6552000555031
7103642050325
oct17726126573
95456210651
102136518011
119a7010671
124b7622a77
13280835854
14163a74615
15c787c591
hex7f58ad7b

2136518011 has 2 divisors, whose sum is σ = 2136518012. Its totient is φ = 2136518010.

The previous prime is 2136517997. The next prime is 2136518039. The reversal of 2136518011 is 1108156312.

2136518011 = T37739 + T37740 + T37741.

It is an a-pointer prime, because the next prime (2136518039) can be obtained adding 2136518011 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2136518011 - 27 = 2136517883 is a prime.

It is a super-2 number, since 2×21365180112 = 9129418422654792242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2136518071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068259005 + 1068259006.

It is an arithmetic number, because the mean of its divisors is an integer number (1068259006).

Almost surely, 22136518011 is an apocalyptic number.

2136518011 is the 37741-st centered triangular number.

2136518011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136518011 is an equidigital number, since it uses as much as digits as its factorization.

2136518011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 2136518011 is about 46222.4838255150. The cubic root of 2136518011 is about 1287.9594385832.

The spelling of 2136518011 in words is "two billion, one hundred thirty-six million, five hundred eighteen thousand, eleven".