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1343220013 = 97103134443
BaseRepresentation
bin101000000001111…
…1110100100101101
310110121111122110101
41100003332210231
510222331020023
6341141511101
745200116222
oct12003764455
93417448411
101343220013
1162a238093
12315a12491
1318538b355
14ca571949
157cdcb1ad
hex500fe92d

1343220013 has 8 divisors (see below), whose sum is σ = 1370253248. Its totient is φ = 1316456064.

The previous prime is 1343220001. The next prime is 1343220037. The reversal of 1343220013 is 3100223431.

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

It is a de Polignac number, because none of the positive numbers 2k-1343220013 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 (1343220313) 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, 57231 + ... + 77212.

It is an arithmetic number, because the mean of its divisors is an integer number (171281656).

Almost surely, 21343220013 is an apocalyptic number.

It is an amenable number.

1343220013 is a deficient number, since it is larger than the sum of its proper divisors (27033235).

1343220013 is a wasteful number, since it uses less digits than its factorization.

1343220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134643.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1343220013 is about 36649.9660709256. The cubic root of 1343220013 is about 1103.3561446185.

Adding to 1343220013 its reverse (3100223431), we get a palindrome (4443443444).

The spelling of 1343220013 in words is "one billion, three hundred forty-three million, two hundred twenty thousand, thirteen".

Divisors: 1 97 103 9991 134443 13040971 13847629 1343220013