Search a number
-
+
13200302311 = 71885757473
BaseRepresentation
bin11000100101100110…
…01010000011100111
31021001221200211120121
430102303022003213
5204013234133221
610021504142411
7645054501250
oct142263120347
937057624517
1013200302311
115664254559
122684907a07
131324a33791
148d31c9b27
15523d1aa41
hex312cca0e7

13200302311 has 4 divisors (see below), whose sum is σ = 15086059792. Its totient is φ = 11314544832.

The previous prime is 13200302309. The next prime is 13200302333. The reversal of 13200302311 is 11320300231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13200302311 - 21 = 13200302309 is a prime.

It is a super-2 number, since 2×132003023112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13200902311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942878730 + ... + 942878743.

It is an arithmetic number, because the mean of its divisors is an integer number (3771514948).

Almost surely, 213200302311 is an apocalyptic number.

13200302311 is a deficient number, since it is larger than the sum of its proper divisors (1885757481).

13200302311 is an equidigital number, since it uses as much as digits as its factorization.

13200302311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885757480.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13200302311 its reverse (11320300231), we get a palindrome (24520602542).

The spelling of 13200302311 in words is "thirteen billion, two hundred million, three hundred two thousand, three hundred eleven".

Divisors: 1 7 1885757473 13200302311