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13231303402 = 253831503899
BaseRepresentation
bin11000101001010010…
…11010101011101010
31021011010000212002011
430110221122223222
5204044203202102
610024532430134
7645612136402
oct142451325352
937133025064
1013231303402
11567a7a9099
12269317834a
13132b299315
148d7379802
155268e12d7
hex314a5aaea

13231303402 has 16 divisors (see below), whose sum is σ = 20465071200. Its totient is φ = 6412621072.

The previous prime is 13231303399. The next prime is 13231303441. The reversal of 13231303402 is 20430313231.

13231303402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 743152 + ... + 760747.

It is an arithmetic number, because the mean of its divisors is an integer number (1279066950).

Almost surely, 213231303402 is an apocalyptic number.

13231303402 is a deficient number, since it is larger than the sum of its proper divisors (7233767798).

13231303402 is a wasteful number, since it uses less digits than its factorization.

13231303402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504037.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13231303402 its reverse (20430313231), we get a palindrome (33661616633).

The spelling of 13231303402 in words is "thirteen billion, two hundred thirty-one million, three hundred three thousand, four hundred two".

Divisors: 1 2 53 83 106 166 4399 8798 1503899 3007798 79706647 124823617 159413294 249647234 6615651701 13231303402