Base | Representation |
---|---|
bin | 10010101110001100… |
… | …001111010000101011 |
3 | 1220212222001022022020 |
4 | 102232030033100223 |
5 | 312132143004003 |
6 | 13122422155523 |
7 | 1311103561353 |
oct | 225614172053 |
9 | 56788038266 |
10 | 20102313003 |
11 | 8586260323 |
12 | 3a90282ba3 |
13 | 1b8494b186 |
14 | d89b19b63 |
15 | 7c9c2ad53 |
hex | 4ae30f42b |
20102313003 has 16 divisors (see below), whose sum is σ = 27731393280. Its totient is φ = 12937522976.
The previous prime is 20102312981. The next prime is 20102313013. The reversal of 20102313003 is 30031320102.
It is a cyclic number.
It is not a de Polignac number, because 20102313003 - 26 = 20102312939 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20102313013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 811426 + ... + 835832.
It is an arithmetic number, because the mean of its divisors is an integer number (1733212080).
Almost surely, 220102313003 is an apocalyptic number.
20102313003 is a deficient number, since it is larger than the sum of its proper divisors (7629080277).
20102313003 is a wasteful number, since it uses less digits than its factorization.
20102313003 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33906.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 20102313003 its reverse (30031320102), we get a palindrome (50133633105).
The spelling of 20102313003 in words is "twenty billion, one hundred two million, three hundred thirteen thousand, three".
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