Base | Representation |
---|---|
bin | 100100011011001… |
… | …1100111110011101 |
3 | 10011011211220212102 |
4 | 1020312130332131 |
5 | 10000342442023 |
6 | 321140414445 |
7 | 42200550320 |
oct | 11066347635 |
9 | 3134756772 |
10 | 1222234013 |
11 | 577a12560 |
12 | 2a13a7425 |
13 | 1662aa6c0 |
14 | b847a7b7 |
15 | 7247d628 |
hex | 48d9cf9d |
1222234013 has 64 divisors (see below), whose sum is σ = 1701568512. Its totient is φ = 847342080.
The previous prime is 1222234001. The next prime is 1222234073. The reversal of 1222234013 is 3104322221.
It is not a de Polignac number, because 1222234013 - 214 = 1222217629 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222234073) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3904745 + ... + 3905057.
It is an arithmetic number, because the mean of its divisors is an integer number (26587008).
Almost surely, 21222234013 is an apocalyptic number.
1222234013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1222234013 is a deficient number, since it is larger than the sum of its proper divisors (479334499).
1222234013 is a wasteful number, since it uses less digits than its factorization.
1222234013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 474.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 1222234013 is about 34960.4635695810. The cubic root of 1222234013 is about 1069.1815481080.
Adding to 1222234013 its reverse (3104322221), we get a palindrome (4326556234).
The spelling of 1222234013 in words is "one billion, two hundred twenty-two million, two hundred thirty-four thousand, thirteen".
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