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13213423143 = 327739372027
BaseRepresentation
bin11000100111001010…
…01101011000100111
31021002212101102222100
430103211031120213
5204030114020033
610023053303143
7645304146354
oct142345153047
937085342870
1013213423143
1156706a6418
122689194ab3
13132767899b
148d4c4362b
1552505d513
hex31394d627

13213423143 has 24 divisors (see below), whose sum is σ = 19140580368. Its totient is φ = 8783828352.

The previous prime is 13213423117. The next prime is 13213423177. The reversal of 13213423143 is 34132431231.

It is a happy number.

13213423143 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 342 + 314 + 3 = 666.

13213423143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13213423143 - 26 = 13213423079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213423843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6517696 + ... + 6519722.

It is an arithmetic number, because the mean of its divisors is an integer number (797524182).

Almost surely, 213213423143 is an apocalyptic number.

13213423143 is a deficient number, since it is larger than the sum of its proper divisors (5927157225).

13213423143 is a wasteful number, since it uses less digits than its factorization.

13213423143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743 (or 3740 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 13213423143 its reverse (34132431231), we get a palindrome (47345854374).

The spelling of 13213423143 in words is "thirteen billion, two hundred thirteen million, four hundred twenty-three thousand, one hundred forty-three".

Divisors: 1 3 9 773 937 2027 2319 2811 6081 6957 8433 18243 724301 1566871 1899299 2172903 4700613 5697897 6518709 14101839 17093691 1468158127 4404474381 13213423143