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2111244313 = 2391793231
BaseRepresentation
bin111110111010111…
…0000100000011001
312110010200022201211
41331311300200121
513310434304223
6545255143121
7103214165143
oct17565604031
95403608654
102111244313
11993819112
124ab074aa1
13278526bb9
14160575c93
15c5538d0d
hex7dd70819

2111244313 has 4 divisors (see below), whose sum is σ = 2203037568. Its totient is φ = 2019451060.

The previous prime is 2111244307. The next prime is 2111244323. The reversal of 2111244313 is 3134421112.

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 not a de Polignac number, because 2111244313 - 25 = 2111244281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111244323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45896593 + ... + 45896638.

It is an arithmetic number, because the mean of its divisors is an integer number (550759392).

Almost surely, 22111244313 is an apocalyptic number.

2111244313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2111244313 is a deficient number, since it is larger than the sum of its proper divisors (91793255).

2111244313 is an equidigital number, since it uses as much as digits as its factorization.

2111244313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91793254.

The product of its digits is 576, while the sum is 22.

The square root of 2111244313 is about 45948.2786728730. The cubic root of 2111244313 is about 1282.8606902592.

Adding to 2111244313 its reverse (3134421112), we get a palindrome (5245665425).

The spelling of 2111244313 in words is "two billion, one hundred eleven million, two hundred forty-four thousand, three hundred thirteen".

Divisors: 1 23 91793231 2111244313