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1330212221311 = 7647171739483
BaseRepresentation
bin10011010110110110110…
…100111011000101111111
311201011111202222022111211
4103112312310323011333
5133243233312040221
62455031400225251
7165050620215301
oct23266664730577
94634452868454
101330212221311
1147315a136236
1219597946b227
139859143547c
144854dc77971
15249064be6e1
hex135b6d3b17f

1330212221311 has 4 divisors (see below), whose sum is σ = 1330214725512. Its totient is φ = 1330209717112.

The previous prime is 1330212221293. The next prime is 1330212221341. The reversal of 1330212221311 is 1131222120331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1330212221311 - 213 = 1330212213119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330212221341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105025 + ... + 1634458.

It is an arithmetic number, because the mean of its divisors is an integer number (332553681378).

Almost surely, 21330212221311 is an apocalyptic number.

1330212221311 is a deficient number, since it is larger than the sum of its proper divisors (2504201).

1330212221311 is an equidigital number, since it uses as much as digits as its factorization.

1330212221311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504200.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1330212221311 its reverse (1131222120331), we get a palindrome (2461434341642).

The spelling of 1330212221311 in words is "one trillion, three hundred thirty billion, two hundred twelve million, two hundred twenty-one thousand, three hundred eleven".

Divisors: 1 764717 1739483 1330212221311