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13311202443 = 371157624253
BaseRepresentation
bin11000110010110100…
…01101010010001011
31021100200101010221220
430121122031102023
5204230131434233
610040505133123
7650602232250
oct143132152213
937320333856
1013311202443
115710910460
1226b5a8a1a3
1313419c2766
14903c17427
1552d924eb3
hex31968d48b

13311202443 has 16 divisors (see below), whose sum is σ = 22127713536. Its totient is φ = 6914910240.

The previous prime is 13311202441. The next prime is 13311202477. The reversal of 13311202443 is 34420211331.

It is a happy number.

It is not a de Polignac number, because 13311202443 - 21 = 13311202441 is a prime.

It is a super-2 number, since 2×133112024432 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13311202441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28811896 + ... + 28812357.

It is an arithmetic number, because the mean of its divisors is an integer number (1382982096).

Almost surely, 213311202443 is an apocalyptic number.

13311202443 is a deficient number, since it is larger than the sum of its proper divisors (8816511093).

13311202443 is a wasteful number, since it uses less digits than its factorization.

13311202443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57624274.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13311202443 its reverse (34420211331), we get a palindrome (47731413774).

The spelling of 13311202443 in words is "thirteen billion, three hundred eleven million, two hundred two thousand, four hundred forty-three".

Divisors: 1 3 7 11 21 33 77 231 57624253 172872759 403369771 633866783 1210109313 1901600349 4437067481 13311202443