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13121333303 = 131790956359
BaseRepresentation
bin11000011100001011…
…11010100000110111
31020212110002210110112
430032011322200313
5203333030131203
610010003413235
7643105331021
oct141605724067
936773083415
1013121333303
115623717a11
12266238421b
131311574760
148c6911011
1551be1c6d8
hex30e17a837

13121333303 has 8 divisors (see below), whose sum is σ = 14131706400. Its totient is φ = 12111108768.

The previous prime is 13121333293. The next prime is 13121333321. The reversal of 13121333303 is 30333312131.

13121333303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13121333303 - 24 = 13121333287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121333353) 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 7 ways as a sum of consecutive naturals, for example, 204638 + ... + 260996.

It is an arithmetic number, because the mean of its divisors is an integer number (1766463300).

Almost surely, 213121333303 is an apocalyptic number.

13121333303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13121333303 is a deficient number, since it is larger than the sum of its proper divisors (1010373097).

13121333303 is a wasteful number, since it uses less digits than its factorization.

13121333303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74281.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 13121333303 its reverse (30333312131), we get a palindrome (43454645434).

The spelling of 13121333303 in words is "thirteen billion, one hundred twenty-one million, three hundred thirty-three thousand, three hundred three".

Divisors: 1 13 17909 56359 232817 732667 1009333331 13121333303