Base | Representation |
---|---|
bin | 10010111010101111… |
… | …111111011100101010 |
3 | 1221102122111221000011 |
4 | 102322233333130222 |
5 | 313100112341020 |
6 | 13155350202134 |
7 | 1316242516234 |
oct | 227257773452 |
9 | 57378457004 |
10 | 20313012010 |
11 | 8684190635 |
12 | 3b2a95334a |
13 | 1bb94b0245 |
14 | da9ac5254 |
15 | 7dd49a35a |
hex | 4babff72a |
20313012010 has 32 divisors (see below), whose sum is σ = 38249269200. Its totient is φ = 7756869120.
The previous prime is 20313012007. The next prime is 20313012011. The reversal of 20313012010 is 1021031302.
It can be written as a sum of positive squares in 8 ways, for example, as 12517358161 + 7795653849 = 111881^2 + 88293^2 .
It is not an unprimeable number, because it can be changed into a prime (20313012011) 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 15 ways as a sum of consecutive naturals, for example, 367701 + ... + 419320.
Almost surely, 220313012010 is an apocalyptic number.
20313012010 is a deficient number, since it is larger than the sum of its proper divisors (17936257190).
20313012010 is a wasteful number, since it uses less digits than its factorization.
20313012010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 787146.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 20313012010 its reverse (1021031302), we get a palindrome (21334043312).
The spelling of 20313012010 in words is "twenty billion, three hundred thirteen million, twelve thousand, ten".
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