Search a number
-
+
13203203211 = 32113129314683
BaseRepresentation
bin11000100101111100…
…01110010010001011
31021002011011012212100
430102332032102023
5204020010000321
610022050244443
7645121242552
oct142276162213
937064135770
1013203203211
115665955aa0
122685886723
13132550aca3
148d3742d99
155241e0326
hex312f8e48b

13203203211 has 48 divisors (see below), whose sum is σ = 21550943232. Its totient is φ = 7716859200.

The previous prime is 13203203207. The next prime is 13203203243. The reversal of 13203203211 is 11230230231.

13203203211 is a `hidden beast` number, since 1 + 3 + 20 + 320 + 321 + 1 = 666.

13203203211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13203203211 - 22 = 13203203207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13203203281) 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 47 ways as a sum of consecutive naturals, for example, 891876 + ... + 906558.

It is an arithmetic number, because the mean of its divisors is an integer number (448977984).

Almost surely, 213203203211 is an apocalyptic number.

13203203211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13203203211 is a deficient number, since it is larger than the sum of its proper divisors (8347740021).

13203203211 is a wasteful number, since it uses less digits than its factorization.

13203203211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15024 (or 15021 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13203203211 its reverse (11230230231), we get a palindrome (24433433442).

The spelling of 13203203211 in words is "thirteen billion, two hundred three million, two hundred three thousand, two hundred eleven".

Divisors: 1 3 9 11 31 33 93 99 279 293 341 879 1023 2637 3069 3223 9083 9669 14683 27249 29007 44049 81747 99913 132147 161513 299739 455173 484539 899217 1365519 1453617 4096557 4302119 5006903 12906357 15020709 38719071 45062127 47323309 133365689 141969927 400097067 425909781 1200291201 1467022579 4401067737 13203203211