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13201230233 = 471571789027
BaseRepresentation
bin11000100101101101…
…01100100110011001
31021002000102222110002
430102312230212121
5204014003331413
610021540102345
7645065414462
oct142266544631
937060388402
1013201230233
115664828734
1226850949b5
131324c99c49
148d338bd69
15523e50958
hex312dac999

13201230233 has 8 divisors (see below), whose sum is σ = 13567988352. Its totient is φ = 12838050576.

The previous prime is 13201230223. The next prime is 13201230277. The reversal of 13201230233 is 33203210231.

13201230233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13201230233 - 26 = 13201230169 is a prime.

It is a super-3 number, since 3×132012302333 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13201230223) 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 7 ways as a sum of consecutive naturals, for example, 887135 + ... + 901892.

It is an arithmetic number, because the mean of its divisors is an integer number (1695998544).

Almost surely, 213201230233 is an apocalyptic number.

It is an amenable number.

13201230233 is a deficient number, since it is larger than the sum of its proper divisors (366758119).

13201230233 is a wasteful number, since it uses less digits than its factorization.

13201230233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789231.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13201230233 its reverse (33203210231), we get a palindrome (46404440464).

The spelling of 13201230233 in words is "thirteen billion, two hundred one million, two hundred thirty thousand, two hundred thirty-three".

Divisors: 1 47 157 7379 1789027 84084269 280877239 13201230233