Base | Representation |
---|---|
bin | 11000011100011010… |
… | …11011001110011111 |
3 | 1020212120210211102110 |
4 | 30032031123032133 |
5 | 203334031133203 |
6 | 10010113525103 |
7 | 643131141366 |
oct | 141615331637 |
9 | 36776724373 |
10 | 13123302303 |
11 | 5624842291 |
12 | 2662b73793 |
13 | 1311ab3a47 |
14 | 8c6ca47dd |
15 | 51c1aad03 |
hex | 30e35b39f |
13123302303 has 32 divisors (see below), whose sum is σ = 19484983296. Its totient is φ = 7814112768.
The previous prime is 13123302301. The next prime is 13123302331. The reversal of 13123302303 is 30320332131.
It is not a de Polignac number, because 13123302303 - 21 = 13123302301 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13123302303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13123302301) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104925 + ... + 193017.
It is an arithmetic number, because the mean of its divisors is an integer number (608905728).
Almost surely, 213123302303 is an apocalyptic number.
13123302303 is a deficient number, since it is larger than the sum of its proper divisors (6361680993).
13123302303 is a wasteful number, since it uses less digits than its factorization.
13123302303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88263.
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 13123302303 its reverse (30320332131), we get a palindrome (43443634434).
The spelling of 13123302303 in words is "thirteen billion, one hundred twenty-three million, three hundred two thousand, three hundred three".
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