Search a number
-
+
12023213033 = 136115161681
BaseRepresentation
bin10110011001010001…
…11010101111101001
31011000220210111122102
423030220322233221
5144110420304113
65305015103145
7603642424136
oct131450725751
934026714572
1012023213033
11510a8769a7
1223b6671ab5
131197c01550
14820b4158d
154a5808758
hex2cca3abe9

12023213033 has 8 divisors (see below), whose sum is σ = 13160339976. Its totient is φ = 10916409600.

The previous prime is 12023213029. The next prime is 12023213099. The reversal of 12023213033 is 33031232021.

It can be written as a sum of positive squares in 4 ways, for example, as 1452905689 + 10570307344 = 38117^2 + 102812^2 .

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 12023213033 - 22 = 12023213029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12023212996 and 12023213014.

It is not an unprimeable number, because it can be changed into a prime (12023213003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7580048 + ... + 7581633.

It is an arithmetic number, because the mean of its divisors is an integer number (1645042497).

Almost surely, 212023213033 is an apocalyptic number.

12023213033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12023213033 is a deficient number, since it is larger than the sum of its proper divisors (1137126943).

12023213033 is a wasteful number, since it uses less digits than its factorization.

12023213033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15161755.

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

Adding to 12023213033 its reverse (33031232021), we get a palindrome (45054445054).

The spelling of 12023213033 in words is "twelve billion, twenty-three million, two hundred thirteen thousand, thirty-three".

Divisors: 1 13 61 793 15161681 197101853 924862541 12023213033