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2111420411 is a prime number
BaseRepresentation
bin111110111011001…
…1011011111111011
312110011000021021222
41331312123133323
513311010423121
6545303022255
7103215530432
oct17566333773
95404007258
102111420411
11993929451
124ab13a98b
132785890b9
141605c0119
15c55710ab
hex7dd9b7fb

2111420411 has 2 divisors, whose sum is σ = 2111420412. Its totient is φ = 2111420410.

The previous prime is 2111420393. The next prime is 2111420449. The reversal of 2111420411 is 1140241112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2111420411 - 26 = 2111420347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2111420411.

It is not a weakly prime, because it can be changed into another prime (2111420461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055710205 + 1055710206.

It is an arithmetic number, because the mean of its divisors is an integer number (1055710206).

Almost surely, 22111420411 is an apocalyptic number.

2111420411 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111420411 is an equidigital number, since it uses as much as digits as its factorization.

2111420411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 2111420411 is about 45950.1948962134. The cubic root of 2111420411 is about 1282.8963568911.

Adding to 2111420411 its reverse (1140241112), we get a palindrome (3251661523).

The spelling of 2111420411 in words is "two billion, one hundred eleven million, four hundred twenty thousand, four hundred eleven".