Base | Representation |
---|---|
bin | 111110111111000… |
… | …0100101010001101 |
3 | 12110021210001201110 |
4 | 1331332010222031 |
5 | 13312014032023 |
6 | 545414002233 |
7 | 103241544021 |
oct | 17576045215 |
9 | 5407701643 |
10 | 2113424013 |
11 | 994a77818 |
12 | 4ab946379 |
13 | 278b0b06c |
14 | 160982381 |
15 | c5819a93 |
hex | 7df84a8d |
2113424013 has 4 divisors (see below), whose sum is σ = 2817898688. Its totient is φ = 1408949340.
The previous prime is 2113424011. The next prime is 2113424021. The reversal of 2113424013 is 3104243112.
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 2113424013 - 21 = 2113424011 is a prime.
It is a super-2 number, since 2×21134240132 = 8933122117450048338, 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 (2113424011) 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, 352237333 + ... + 352237338.
It is an arithmetic number, because the mean of its divisors is an integer number (704474672).
Almost surely, 22113424013 is an apocalyptic number.
It is an amenable number.
2113424013 is a deficient number, since it is larger than the sum of its proper divisors (704474675).
2113424013 is an equidigital number, since it uses as much as digits as its factorization.
2113424013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 704474674.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 2113424013 is about 45971.9916144602. The cubic root of 2113424013 is about 1283.3020239433.
Adding to 2113424013 its reverse (3104243112), we get a palindrome (5217667125).
The spelling of 2113424013 in words is "two billion, one hundred thirteen million, four hundred twenty-four thousand, thirteen".
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