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13126388398 = 2173713776163
BaseRepresentation
bin11000011100110010…
…01100101010101110
31020212210121121202021
430032121030222232
5203340323412043
610010304020354
7643166313634
oct141631145256
936783547667
1013126388398
11562655a982
1226640016ba
131312624636
148c7469354
1551c5ba3ed
hex30e64caae

13126388398 has 32 divisors (see below), whose sum is σ = 21567816864. Its totient is φ = 5966226432.

The previous prime is 13126388371. The next prime is 13126388399. The reversal of 13126388398 is 89388362131.

13126388398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13126388399) 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 15 ways as a sum of consecutive naturals, for example, 134265 + ... + 210427.

It is an arithmetic number, because the mean of its divisors is an integer number (673994277).

Almost surely, 213126388398 is an apocalyptic number.

13126388398 is a deficient number, since it is larger than the sum of its proper divisors (8441428466).

13126388398 is a wasteful number, since it uses less digits than its factorization.

13126388398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76356.

The product of its digits is 1492992, while the sum is 52.

The spelling of 13126388398 in words is "thirteen billion, one hundred twenty-six million, three hundred eighty-eight thousand, three hundred ninety-eight".

Divisors: 1 2 17 34 37 74 137 274 629 1258 2329 4658 5069 10138 76163 86173 152326 172346 1294771 2589542 2818031 5636062 10434331 20868662 47906527 95813054 177383627 354767254 386070247 772140494 6563194199 13126388398