Base | Representation |
---|---|
bin | 10010101000101100… |
… | …001000011001100010 |
3 | 1220122112100211200021 |
4 | 102220230020121202 |
5 | 311440030311320 |
6 | 13105323544054 |
7 | 1305603165121 |
oct | 225054103142 |
9 | 56575324607 |
10 | 20010010210 |
11 | 8539146923 |
12 | 3a6538b02a |
13 | 1b6b7a1038 |
14 | d7b76dab8 |
15 | 7c1a96daa |
hex | 4a8b08662 |
20010010210 has 32 divisors (see below), whose sum is σ = 36151557120. Its totient is φ = 7974372672.
The previous prime is 20010010199. The next prime is 20010010211. The reversal of 20010010210 is 1201001002.
It is a junction number, because it is equal to n+sod(n) for n = 20010010193 and 20010010202.
It is not an unprimeable number, because it can be changed into a prime (20010010211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5623752 + ... + 5627308.
It is an arithmetic number, because the mean of its divisors is an integer number (1129736160).
Almost surely, 220010010210 is an apocalyptic number.
20010010210 is a deficient number, since it is larger than the sum of its proper divisors (16141546910).
20010010210 is a wasteful number, since it uses less digits than its factorization.
20010010210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5490.
The product of its (nonzero) digits is 4, while the sum is 7.
Adding to 20010010210 its reverse (1201001002), we get a palindrome (21211011212).
The spelling of 20010010210 in words is "twenty billion, ten million, ten thousand, two hundred ten".
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