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3221013233 = 4577099941
BaseRepresentation
bin1011111111111100…
…1100001011110001
322022110220102111102
42333333030023301
523044034410413
61251341254145
7142551106064
oct27777141361
98273812442
103221013233
1114031a5a09
1275a864355
133c44181b9
14227ad88db
1513cb9e458
hexbffcc2f1

3221013233 has 8 divisors (see below), whose sum is σ = 3232939560. Its totient is φ = 3209109120.

The previous prime is 3221013179. The next prime is 3221013253. The reversal of 3221013233 is 3323101223.

It can be written as a sum of positive squares in 4 ways, for example, as 110224 + 3220903009 = 332^2 + 56753^2 .

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 3221013233 - 222 = 3216818929 is a prime.

It is a super-2 number, since 2×32210132332 = 20749852494322224578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221013253) 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, 319043 + ... + 328983.

It is an arithmetic number, because the mean of its divisors is an integer number (404117445).

Almost surely, 23221013233 is an apocalyptic number.

It is an amenable number.

3221013233 is a deficient number, since it is larger than the sum of its proper divisors (11926327).

3221013233 is an equidigital number, since it uses as much as digits as its factorization.

3221013233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11107.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3221013233 is about 56753.9710769211. The cubic root of 3221013233 is about 1476.8311235890.

Adding to 3221013233 its reverse (3323101223), we get a palindrome (6544114456).

The spelling of 3221013233 in words is "three billion, two hundred twenty-one million, thirteen thousand, two hundred thirty-three".

Divisors: 1 457 709 9941 324013 4543037 7048169 3221013233