Search a number
-
+
13233003028 = 227472607251
BaseRepresentation
bin11000101001011111…
…11001101000010100
31021011020020012112021
430110233321220110
5204100122044103
610025033102524
7645632445520
oct142457715024
937136205467
1013233003028
11568075a043
122693857a44
13132b742b0b
148d769cd80
15526b29bbd
hex314bf9a14

13233003028 has 12 divisors (see below), whose sum is σ = 26466006112. Its totient is φ = 5671287000.

The previous prime is 13233003001. The next prime is 13233003029. The reversal of 13233003028 is 82030033231.

It is a happy number.

13233003028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

13233003028 is an admirable number.

It is a super-2 number, since 2×132330030282 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13233002993 and 13233003011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233003029) 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 3 ways as a sum of consecutive naturals, for example, 236303598 + ... + 236303653.

Almost surely, 213233003028 is an apocalyptic number.

It is an amenable number.

13233003028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13233003028 is a wasteful number, since it uses less digits than its factorization.

13233003028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472607262 (or 472607260 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 13233003028 its reverse (82030033231), we get a palindrome (95263036259).

The spelling of 13233003028 in words is "thirteen billion, two hundred thirty-three million, three thousand, twenty-eight".

Divisors: 1 2 4 7 14 28 472607251 945214502 1890429004 3308250757 6616501514 13233003028