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13202230243121 = 81116278952211
BaseRepresentation
bin1100000000011110001000…
…1111100110111100110001
31201202010021010101022011222
43000013202033212330301
53212301131420234441
644025004300314425
72531554400325053
oct300074217467461
951663233338158
1013202230243121
114230041877627
121592820242a15
13749c7106777a
14338dc43b78d3
1517d6487edd4b
hexc01e23e6f31

13202230243121 has 4 divisors (see below), whose sum is σ = 13218509196144. Its totient is φ = 13185951290100.

The previous prime is 13202230243079. The next prime is 13202230243123. The reversal of 13202230243121 is 12134203220231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13202230243121 - 230 = 13201156501297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13202230243123) 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, 8139475295 + ... + 8139476916.

It is an arithmetic number, because the mean of its divisors is an integer number (3304627299036).

Almost surely, 213202230243121 is an apocalyptic number.

It is an amenable number.

13202230243121 is a deficient number, since it is larger than the sum of its proper divisors (16278953023).

13202230243121 is an equidigital number, since it uses as much as digits as its factorization.

13202230243121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16278953022.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13202230243121 its reverse (12134203220231), we get a palindrome (25336433463352).

The spelling of 13202230243121 in words is "thirteen trillion, two hundred two billion, two hundred thirty million, two hundred forty-three thousand, one hundred twenty-one".

Divisors: 1 811 16278952211 13202230243121