Base | Representation |
---|---|
bin | 10010111010101111… |
… | …111100110011110011 |
3 | 1221102122111101011220 |
4 | 102322233330303303 |
5 | 313100112014303 |
6 | 13155350040123 |
7 | 1316242442565 |
oct | 227257746363 |
9 | 57378441156 |
10 | 20313001203 |
11 | 8684183500 |
12 | 3b2a949043 |
13 | 1bb94a8351 |
14 | da9ac1335 |
15 | 7dd497053 |
hex | 4babfccf3 |
20313001203 has 12 divisors (see below), whose sum is σ = 29770018824. Its totient is φ = 12310909600.
The previous prime is 20313001139. The next prime is 20313001207. The reversal of 20313001203 is 30210031302.
It is not a de Polignac number, because 20313001203 - 26 = 20313001139 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20313001207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27978978 + ... + 27979703.
It is an arithmetic number, because the mean of its divisors is an integer number (2480834902).
Almost surely, 220313001203 is an apocalyptic number.
20313001203 is a deficient number, since it is larger than the sum of its proper divisors (9457017621).
20313001203 is a wasteful number, since it uses less digits than its factorization.
20313001203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55958706 (or 55958695 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 20313001203 its reverse (30210031302), we get a palindrome (50523032505).
The spelling of 20313001203 in words is "twenty billion, three hundred thirteen million, one thousand, two hundred three".
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