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2113380111 = 3704460037
BaseRepresentation
bin111110111110111…
…1001111100001111
312110021200211111110
41331331321330033
513312011130421
6545413023103
7103241302023
oct17575717417
95407624443
102113380111
11994a47837
124ab924a93
13278ac409b
14160970383
15c580ba76
hex7df79f0f

2113380111 has 4 divisors (see below), whose sum is σ = 2817840152. Its totient is φ = 1408920072.

The previous prime is 2113380103. The next prime is 2113380121. The reversal of 2113380111 is 1110833112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2113380111 - 23 = 2113380103 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 (2113380121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352230016 + ... + 352230021.

It is an arithmetic number, because the mean of its divisors is an integer number (704460038).

Almost surely, 22113380111 is an apocalyptic number.

2113380111 is a deficient number, since it is larger than the sum of its proper divisors (704460041).

2113380111 is an equidigital number, since it uses as much as digits as its factorization.

2113380111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704460040.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 2113380111 is about 45971.5141255974. The cubic root of 2113380111 is about 1283.2931379026.

The spelling of 2113380111 in words is "two billion, one hundred thirteen million, three hundred eighty thousand, one hundred eleven".

Divisors: 1 3 704460037 2113380111