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13132143213 = 373120172263
BaseRepresentation
bin11000011101011110…
…01001101001101101
31020220012102222212120
430032233021221231
5203343312040323
610011031223153
7643266242550
oct141657115155
936805388776
1013132143213
115629830622
122665b17ab9
13131388ab57
148c8126697
1551cd555e3
hex30ebc9a6d

13132143213 has 16 divisors (see below), whose sum is σ = 20656398336. Its totient is φ = 7262014320.

The previous prime is 13132143149. The next prime is 13132143259. The reversal of 13132143213 is 31234123131.

It is not a de Polignac number, because 13132143213 - 26 = 13132143149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13132143293) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10085481 + ... + 10086782.

It is an arithmetic number, because the mean of its divisors is an integer number (1291024896).

Almost surely, 213132143213 is an apocalyptic number.

It is an amenable number.

13132143213 is a deficient number, since it is larger than the sum of its proper divisors (7524255123).

13132143213 is a wasteful number, since it uses less digits than its factorization.

13132143213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20172304.

The product of its digits is 1296, while the sum is 24.

Adding to 13132143213 its reverse (31234123131), we get a palindrome (44366266344).

The spelling of 13132143213 in words is "thirteen billion, one hundred thirty-two million, one hundred forty-three thousand, two hundred thirteen".

Divisors: 1 3 7 21 31 93 217 651 20172263 60516789 141205841 423617523 625340153 1876020459 4377381071 13132143213