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13200502231 = 72697010357
BaseRepresentation
bin11000100101100111…
…11010110111010111
31021001222001222211001
430102303322313113
5204013312032411
610021512324131
7645056263150
oct142263726727
937058058731
1013200502231
115664380784
1226849a3647
131324aa3787
148d323c927
15523d59dc1
hex312cfadd7

13200502231 has 8 divisors (see below), whose sum is σ = 15142373280. Its totient is φ = 11272652448.

The previous prime is 13200502223. The next prime is 13200502277. The reversal of 13200502231 is 13220500231.

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 13200502231 - 23 = 13200502223 is a prime.

It is a super-2 number, since 2×132005022312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13200502199 and 13200502208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13200502291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3503296 + ... + 3507061.

It is an arithmetic number, because the mean of its divisors is an integer number (1892796660).

Almost surely, 213200502231 is an apocalyptic number.

13200502231 is a deficient number, since it is larger than the sum of its proper divisors (1941871049).

13200502231 is an equidigital number, since it uses as much as digits as its factorization.

13200502231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7010633.

The product of its (nonzero) digits is 360, while the sum is 19.

The spelling of 13200502231 in words is "thirteen billion, two hundred million, five hundred two thousand, two hundred thirty-one".

Divisors: 1 7 269 1883 7010357 49072499 1885786033 13200502231