Search a number
-
+
2110011989 = 2279295207
BaseRepresentation
bin111110111000100…
…0011101001010101
312110001100201022012
41331301003221111
513310130340424
6545212514005
7103200543311
oct17561035125
95401321265
102110011989
11993057268
124aa77b905
132781b5007
14160334b41
15c5393b0e
hex7dc43a55

2110011989 has 4 divisors (see below), whose sum is σ = 2119307424. Its totient is φ = 2100716556.

The previous prime is 2110011983. The next prime is 2110012013. The reversal of 2110011989 is 9891100112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2110011989 - 220 = 2108963413 is a prime.

It is a super-2 number, since 2×21100119892 = 8904301187447472242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110011983) 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 3 ways as a sum of consecutive naturals, for example, 4647377 + ... + 4647830.

It is an arithmetic number, because the mean of its divisors is an integer number (529826856).

Almost surely, 22110011989 is an apocalyptic number.

It is an amenable number.

2110011989 is a deficient number, since it is larger than the sum of its proper divisors (9295435).

2110011989 is an equidigital number, since it uses as much as digits as its factorization.

2110011989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9295434.

The product of its (nonzero) digits is 1296, while the sum is 32.

The square root of 2110011989 is about 45934.8668116062. The cubic root of 2110011989 is about 1282.6110416365.

The spelling of 2110011989 in words is "two billion, one hundred ten million, eleven thousand, nine hundred eighty-nine".

Divisors: 1 227 9295207 2110011989