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1220430213322 = 21361894480649
BaseRepresentation
bin10001110000100111010…
…011110011000011001010
311022200010212202110221221
4101300213103303003022
5124443420113311242
62332354034552254
7154113253436125
oct21604723630312
94280125673857
101220430213322
11430644047811
1217863b73868a
138b117152028
14430d79db3bc
1521b2d5d7167
hex11c274f30ca

1220430213322 has 8 divisors (see below), whose sum is σ = 1830659170500. Its totient is φ = 610210489824.

The previous prime is 1220430213307. The next prime is 1220430213377. The reversal of 1220430213322 is 2233120340221.

It can be written as a sum of positive squares in 2 ways, for example, as 1111377699961 + 109052513361 = 1054219^2 + 330231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1967947 + ... + 2512702.

Almost surely, 21220430213322 is an apocalyptic number.

1220430213322 is a deficient number, since it is larger than the sum of its proper divisors (610228957178).

1220430213322 is a wasteful number, since it uses less digits than its factorization.

1220430213322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4616840.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1220430213322 its reverse (2233120340221), we get a palindrome (3453550553543).

The spelling of 1220430213322 in words is "one trillion, two hundred twenty billion, four hundred thirty million, two hundred thirteen thousand, three hundred twenty-two".

Divisors: 1 2 136189 272378 4480649 8961298 610215106661 1220430213322