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13240324205 = 520171312873
BaseRepresentation
bin11000101010010111…
…10101000001101101
31021011202000011021222
430111023311001231
5204104010333310
610025454033125
7646051620203
oct142513650155
937152004258
1013240324205
1156848aa5a9
1226961a87a5
131330107284
148d8647073
155275c4055
hex3152f506d

13240324205 has 8 divisors (see below), whose sum is σ = 15896278392. Its totient is φ = 10586999808.

The previous prime is 13240324189. The next prime is 13240324241. The reversal of 13240324205 is 50242304231.

13240324205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4193080516 + 9047243689 = 64754^2 + 95117^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13240324205 - 24 = 13240324189 is a prime.

It is a super-3 number, since 3×132403242053 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

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, 646352 + ... + 666521.

It is an arithmetic number, because the mean of its divisors is an integer number (1987034799).

Almost surely, 213240324205 is an apocalyptic number.

It is an amenable number.

13240324205 is a deficient number, since it is larger than the sum of its proper divisors (2655954187).

13240324205 is a wasteful number, since it uses less digits than its factorization.

13240324205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314895.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 13240324205 its reverse (50242304231), we get a palindrome (63482628436).

The spelling of 13240324205 in words is "thirteen billion, two hundred forty million, three hundred twenty-four thousand, two hundred five".

Divisors: 1 5 2017 10085 1312873 6564365 2648064841 13240324205