Base | Representation |
---|---|
bin | 11000011100011111… |
… | …01110111000111101 |
3 | 1020212121221120002120 |
4 | 30032033232320331 |
5 | 203334210012013 |
6 | 10010134513153 |
7 | 643136240631 |
oct | 141617567075 |
9 | 36777846076 |
10 | 13123907133 |
11 | 5625115747 |
12 | 26632057b9 |
13 | 1311c6612c |
14 | 8c6dc0dc1 |
15 | 51c27a123 |
hex | 30e3eee3d |
13123907133 has 16 divisors (see below), whose sum is σ = 18091186176. Its totient is φ = 8453830320.
The previous prime is 13123907131. The next prime is 13123907179. The reversal of 13123907133 is 33170932131.
It is not a de Polignac number, because 13123907133 - 21 = 13123907131 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 13123907094 and 13123907103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13123907131) 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, 49935 + ... + 169532.
It is an arithmetic number, because the mean of its divisors is an integer number (1130699136).
Almost surely, 213123907133 is an apocalyptic number.
It is an amenable number.
13123907133 is a deficient number, since it is larger than the sum of its proper divisors (4967279043).
13123907133 is a wasteful number, since it uses less digits than its factorization.
13123907133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 220144.
The product of its (nonzero) digits is 10206, while the sum is 33.
The spelling of 13123907133 in words is "thirteen billion, one hundred twenty-three million, nine hundred seven thousand, one hundred thirty-three".
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