Base | Representation |
---|---|
bin | 100100011011011… |
… | …0111010101111101 |
3 | 10011012001102000102 |
4 | 1020312313111331 |
5 | 10000404421023 |
6 | 321143010445 |
7 | 42201510224 |
oct | 11066672575 |
9 | 3135042012 |
10 | 1222342013 |
11 | 577a86712 |
12 | 2a1439a25 |
13 | 1663178c9 |
14 | b84a7cbb |
15 | 724a0628 |
hex | 48db757d |
1222342013 has 8 divisors (see below), whose sum is σ = 1226707200. Its totient is φ = 1217985120.
The previous prime is 1222341983. The next prime is 1222342039. The reversal of 1222342013 is 3102432221.
1222342013 is nontrivially palindromic in base 7.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1222342013 - 26 = 1222341949 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 (1222342073) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451538 + ... + 454236.
It is an arithmetic number, because the mean of its divisors is an integer number (153338400).
Almost surely, 21222342013 is an apocalyptic number.
It is an amenable number.
1222342013 is a deficient number, since it is larger than the sum of its proper divisors (4365187).
1222342013 is an equidigital number, since it uses as much as digits as its factorization.
1222342013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4147.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 1222342013 is about 34962.0081374054. The cubic root of 1222342013 is about 1069.2130391331.
Adding to 1222342013 its reverse (3102432221), we get a palindrome (4324774234).
The spelling of 1222342013 in words is "one billion, two hundred twenty-two million, three hundred forty-two thousand, thirteen".
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