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13133224121 = 31597180549
BaseRepresentation
bin11000011101100110…
…10001100010111001
31020220021110220121012
430032303101202321
5203344101132441
610011110323305
7643311364103
oct141663214271
936807426535
1013133224121
11562a3a9736
122666359535
131313b78b44
148c8328573
1551ceba9eb
hex30ecd18b9

13133224121 has 8 divisors (see below), whose sum is σ = 13786656000. Its totient is φ = 12494153520.

The previous prime is 13133224031. The next prime is 13133224129. The reversal of 13133224121 is 12142233131.

13133224121 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 13133224121 - 210 = 13133223097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13133224129) 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, 3588446 + ... + 3592103.

It is an arithmetic number, because the mean of its divisors is an integer number (1723332000).

Almost surely, 213133224121 is an apocalyptic number.

It is an amenable number.

13133224121 is a deficient number, since it is larger than the sum of its proper divisors (653431879).

13133224121 is an equidigital number, since it uses as much as digits as its factorization.

13133224121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7180639.

The product of its digits is 864, while the sum is 23.

Adding to 13133224121 its reverse (12142233131), we get a palindrome (25275457252).

The spelling of 13133224121 in words is "thirteen billion, one hundred thirty-three million, two hundred twenty-four thousand, one hundred twenty-one".

Divisors: 1 31 59 1829 7180549 222597019 423652391 13133224121