Base | Representation |
---|---|
bin | 10101011011000110… |
… | …010000010111000101 |
3 | 2012101010120210021222 |
4 | 111123012100113011 |
5 | 334102304444023 |
6 | 14322330250125 |
7 | 1443016666550 |
oct | 253306202705 |
9 | 65333523258 |
10 | 23003203013 |
11 | 983478798a |
12 | 455b886945 |
13 | 222794103b |
14 | 11830c3697 |
15 | 8e9743cc8 |
hex | 55b1905c5 |
23003203013 has 32 divisors (see below), whose sum is σ = 28889602560. Its totient is φ = 17858856960.
The previous prime is 23003203007. The next prime is 23003203021. The reversal of 23003203013 is 31030230032.
It is not a de Polignac number, because 23003203013 - 26 = 23003202949 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a junction number, because it is equal to n+sod(n) for n = 23003202982 and 23003203000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23003203033) 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, 1062545 + ... + 1083977.
It is an arithmetic number, because the mean of its divisors is an integer number (902800080).
Almost surely, 223003203013 is an apocalyptic number.
It is an amenable number.
23003203013 is a deficient number, since it is larger than the sum of its proper divisors (5886399547).
23003203013 is a wasteful number, since it uses less digits than its factorization.
23003203013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21797.
The product of its (nonzero) digits is 324, while the sum is 17.
Adding to 23003203013 its reverse (31030230032), we get a palindrome (54033433045).
The spelling of 23003203013 in words is "twenty-three billion, three million, two hundred three thousand, thirteen".
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