Base | Representation |
---|---|
bin | 1011111111111110… |
… | …1000101100010001 |
3 | 22022111010100200011 |
4 | 2333333220230101 |
5 | 23044102130001 |
6 | 1251343554521 |
7 | 142552103365 |
oct | 27777505421 |
9 | 8274110604 |
10 | 3221130001 |
11 | 1403275711 |
12 | 75a8bba41 |
13 | 3c44593ab |
14 | 227b292a5 |
15 | 13cbc3d51 |
hex | bffe8b11 |
3221130001 has 2 divisors, whose sum is σ = 3221130002. Its totient is φ = 3221130000.
The previous prime is 3221129987. The next prime is 3221130047. The reversal of 3221130001 is 1000311223.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2519939601 + 701190400 = 50199^2 + 26480^2 .
It is an emirp because it is prime and its reverse (1000311223) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 3221130001 - 221 = 3219032849 is a prime.
It is not a weakly prime, because it can be changed into another prime (3221130091) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610565000 + 1610565001.
It is an arithmetic number, because the mean of its divisors is an integer number (1610565001).
Almost surely, 23221130001 is an apocalyptic number.
It is an amenable number.
3221130001 is a deficient number, since it is larger than the sum of its proper divisors (1).
3221130001 is an equidigital number, since it uses as much as digits as its factorization.
3221130001 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 3221130001 is about 56754.9997885649. Note that the first 3 decimals coincide. The cubic root of 3221130001 is about 1476.8489693744.
Adding to 3221130001 its reverse (1000311223), we get a palindrome (4221441224).
The spelling of 3221130001 in words is "three billion, two hundred twenty-one million, one hundred thirty thousand, one".
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