Base | Representation |
---|---|
bin | 100100011000001… |
… | …0000100110000001 |
3 | 10011001210102201211 |
4 | 1020300100212001 |
5 | 4444434013213 |
6 | 321041530121 |
7 | 42151006000 |
oct | 11060204601 |
9 | 3131712654 |
10 | 1220610433 |
11 | 577003759 |
12 | 2a0943941 |
13 | 165b5c6c3 |
14 | b8176c37 |
15 | 7225c53d |
hex | 48c10981 |
1220610433 has 16 divisors (see below), whose sum is σ = 1426000000. Its totient is φ = 1044365616.
The previous prime is 1220610409. The next prime is 1220610439. The reversal of 1220610433 is 3340160221.
It is not a de Polignac number, because 1220610433 - 25 = 1220610401 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1220610439) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209443 + ... + 215191.
It is an arithmetic number, because the mean of its divisors is an integer number (89125000).
Almost surely, 21220610433 is an apocalyptic number.
It is an amenable number.
1220610433 is a deficient number, since it is larger than the sum of its proper divisors (205389567).
1220610433 is an frugal number, since it uses more digits than its factorization.
1220610433 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6389 (or 6375 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 1220610433 is about 34937.2356233289. The cubic root of 1220610433 is about 1068.7079151354.
Adding to 1220610433 its reverse (3340160221), we get a palindrome (4560770654).
The spelling of 1220610433 in words is "one billion, two hundred twenty million, six hundred ten thousand, four hundred thirty-three".
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