Search a number
-
+
13203121301233 = 21162574034603
BaseRepresentation
bin1100000000100001011101…
…0110101110011011110001
31201202012120020001202010021
43000020113112232123301
53212304443023114413
644025232531003441
72531615440232113
oct300102726563361
951665506052107
1013203121301233
114230459851796
121592a2a739581
1374a0838500a6
1433906a8873b3
1517d69bb6118d
hexc02175ae6f1

13203121301233 has 4 divisors (see below), whose sum is σ = 13265695336048. Its totient is φ = 13140547266420.

The previous prime is 13203121301231. The next prime is 13203121301273. The reversal of 13203121301233 is 33210312130231.

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 13203121301233 - 21 = 13203121301231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13203121301198 and 13203121301207.

It is not an unprimeable number, because it can be changed into a prime (13203121301231) 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, 31287017091 + ... + 31287017512.

It is an arithmetic number, because the mean of its divisors is an integer number (3316423834012).

Almost surely, 213203121301233 is an apocalyptic number.

It is an amenable number.

13203121301233 is a deficient number, since it is larger than the sum of its proper divisors (62574034815).

13203121301233 is an equidigital number, since it uses as much as digits as its factorization.

13203121301233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62574034814.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13203121301233 its reverse (33210312130231), we get a palindrome (46413433431464).

The spelling of 13203121301233 in words is "thirteen trillion, two hundred three billion, one hundred twenty-one million, three hundred one thousand, two hundred thirty-three".

Divisors: 1 211 62574034603 13203121301233