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13002333121 = 21296107249
BaseRepresentation
bin11000001101111111…
…11101101111000001
31020120011011221220101
430012333331233001
5203112044124441
65550113042401
7640132002511
oct140677755701
936504157811
1013002333121
115572529358
12262a556401
1312c2a0a94b
148b4bb5841
15511763231
hex306ffdbc1

13002333121 has 4 divisors (see below), whose sum is σ = 13008442500. Its totient is φ = 12996223744.

The previous prime is 13002333103. The next prime is 13002333151. The reversal of 13002333121 is 12133320031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6955560000 + 6046773121 = 83400^2 + 77761^2 .

It is a cyclic number.

It is not a de Polignac number, because 13002333121 - 25 = 13002333089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13002333101) 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, 3051496 + ... + 3055753.

It is an arithmetic number, because the mean of its divisors is an integer number (3252110625).

Almost surely, 213002333121 is an apocalyptic number.

It is an amenable number.

13002333121 is a deficient number, since it is larger than the sum of its proper divisors (6109379).

13002333121 is an equidigital number, since it uses as much as digits as its factorization.

13002333121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6109378.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13002333121 its reverse (12133320031), we get a palindrome (25135653152).

The spelling of 13002333121 in words is "thirteen billion, two million, three hundred thirty-three thousand, one hundred twenty-one".

Divisors: 1 2129 6107249 13002333121