Base | Representation |
---|---|
bin | 11000011100011000… |
… | …10111000010111001 |
3 | 1020212120021122100010 |
4 | 30032030113002321 |
5 | 203333443214113 |
6 | 10010103532133 |
7 | 643125566241 |
oct | 141614270271 |
9 | 36776248303 |
10 | 13123023033 |
11 | 562467148a |
12 | 2662a5a049 |
13 | 1311a168b3 |
14 | 8c6c30b21 |
15 | 51c1531c3 |
hex | 30e3170b9 |
13123023033 has 16 divisors (see below), whose sum is σ = 17749895040. Its totient is φ = 8623038336.
The previous prime is 13123023031. The next prime is 13123023041. The reversal of 13123023033 is 33032032131.
It is not a de Polignac number, because 13123023033 - 21 = 13123023031 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13123023031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7116 + ... + 162162.
It is an arithmetic number, because the mean of its divisors is an integer number (1109368440).
Almost surely, 213123023033 is an apocalyptic number.
It is an amenable number.
13123023033 is a deficient number, since it is larger than the sum of its proper divisors (4626872007).
13123023033 is a wasteful number, since it uses less digits than its factorization.
13123023033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155456.
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 13123023033 its reverse (33032032131), we get a palindrome (46155055164).
The spelling of 13123023033 in words is "thirteen billion, one hundred twenty-three million, twenty-three thousand, thirty-three".
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