Search a number
-
+
13340201405 = 529731260293
BaseRepresentation
bin11000110110010001…
…10101000110111101
31021102200221110001112
430123020311012331
5204310042421110
610043422451405
7651403561316
oct143310650675
937380843045
1013340201405
115726217843
122703733b65
131347a06bcb
14907a0560d
15531252405
hex31b2351bd

13340201405 has 16 divisors (see below), whose sum is σ = 16787116080. Its totient is φ = 10162994688.

The previous prime is 13340201401. The next prime is 13340201419. The reversal of 13340201405 is 50410204331.

It can be written as a sum of positive squares in 8 ways, for example, as 1368778009 + 11971423396 = 36997^2 + 109414^2 .

It is a cyclic number.

It is not a de Polignac number, because 13340201405 - 22 = 13340201401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13340201401) 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, 619562 + ... + 640731.

It is an arithmetic number, because the mean of its divisors is an integer number (1049194755).

Almost surely, 213340201405 is an apocalyptic number.

It is an amenable number.

13340201405 is a deficient number, since it is larger than the sum of its proper divisors (3446914675).

13340201405 is a wasteful number, since it uses less digits than its factorization.

13340201405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260400.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 13340201405 its reverse (50410204331), we get a palindrome (63750405736).

The spelling of 13340201405 in words is "thirteen billion, three hundred forty million, two hundred one thousand, four hundred five".

Divisors: 1 5 29 73 145 365 2117 10585 1260293 6301465 36548497 92001389 182742485 460006945 2668040281 13340201405