Base | Representation |
---|---|
bin | 100100011101100… |
… | …0011111100011001 |
3 | 10011021010022012010 |
4 | 1020323003330121 |
5 | 10001200122301 |
6 | 321222340133 |
7 | 42214041612 |
oct | 11073037431 |
9 | 3137108163 |
10 | 1223442201 |
11 | 578668263 |
12 | 2a188a649 |
13 | 1666115c7 |
14 | b86b2c09 |
15 | 7261b5d6 |
hex | 48ec3f19 |
1223442201 has 8 divisors (see below), whose sum is σ = 1631513664. Its totient is φ = 815499440.
The previous prime is 1223442139. The next prime is 1223442217. The reversal of 1223442201 is 1022443221.
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 1223442201 - 215 = 1223409433 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1223442271) 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, 7230 + ... + 49991.
It is an arithmetic number, because the mean of its divisors is an integer number (203939208).
Almost surely, 21223442201 is an apocalyptic number.
It is an amenable number.
1223442201 is a deficient number, since it is larger than the sum of its proper divisors (408071463).
1223442201 is an equidigital number, since it uses as much as digits as its factorization.
1223442201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64351.
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 1223442201 is about 34977.7386490322. The cubic root of 1223442201 is about 1069.5337302307.
Adding to 1223442201 its reverse (1022443221), we get a palindrome (2245885422).
The spelling of 1223442201 in words is "one billion, two hundred twenty-three million, four hundred forty-two thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •