Base | Representation |
---|---|
bin | 100100011011011… |
… | …1001101000110101 |
3 | 10011012001212220120 |
4 | 1020312321220311 |
5 | 10000410221123 |
6 | 321143122153 |
7 | 42201546513 |
oct | 11066715065 |
9 | 3135055816 |
10 | 1222351413 |
11 | 577a92788 |
12 | 2a1443359 |
13 | 16631bc7a |
14 | b84ab4b3 |
15 | 724a32e3 |
hex | 48db9a35 |
1222351413 has 8 divisors (see below), whose sum is σ = 1630142976. Its totient is φ = 814730400.
The previous prime is 1222351387. The next prime is 1222351423. The reversal of 1222351413 is 3141532221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1222351413 - 216 = 1222285877 is a prime.
It is a super-3 number, since 3×12223514133 (a number of 28 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222351423) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24853 + ... + 55338.
It is an arithmetic number, because the mean of its divisors is an integer number (203767872).
Almost surely, 21222351413 is an apocalyptic number.
It is an amenable number.
1222351413 is a deficient number, since it is larger than the sum of its proper divisors (407791563).
1222351413 is an equidigital number, since it uses as much as digits as its factorization.
1222351413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85275.
The product of its digits is 1440, while the sum is 24.
The square root of 1222351413 is about 34962.1425687843. The cubic root of 1222351413 is about 1069.2157799309.
Adding to 1222351413 its reverse (3141532221), we get a palindrome (4363883634).
It can be divided in two parts, 12223 and 51413, that added together give a palindrome (63636).
The spelling of 1222351413 in words is "one billion, two hundred twenty-two million, three hundred fifty-one thousand, four hundred thirteen".
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