Base | Representation |
---|---|
bin | 10010101001010010… |
… | …010010100010011010 |
3 | 1220200020012001012202 |
4 | 102221102102202122 |
5 | 312000110410320 |
6 | 13110322210202 |
7 | 1306054206311 |
oct | 225122224232 |
9 | 56606161182 |
10 | 20020013210 |
11 | 854385926a |
12 | 3a687b3962 |
13 | 1b70894082 |
14 | d7cc15278 |
15 | 7c28c0b75 |
hex | 4a949289a |
20020013210 has 32 divisors (see below), whose sum is σ = 36141498432. Its totient is φ = 7984604160.
The previous prime is 20020013203. The next prime is 20020013227. The reversal of 20020013210 is 1231002002.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 20020013191 and 20020013200.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6755189 + ... + 6758151.
It is an arithmetic number, because the mean of its divisors is an integer number (1129421826).
Almost surely, 220020013210 is an apocalyptic number.
20020013210 is a deficient number, since it is larger than the sum of its proper divisors (16121485222).
20020013210 is a wasteful number, since it uses less digits than its factorization.
20020013210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4718.
The product of its (nonzero) digits is 24, while the sum is 11.
Adding to 20020013210 its reverse (1231002002), we get a palindrome (21251015212).
The spelling of 20020013210 in words is "twenty billion, twenty million, thirteen thousand, two hundred ten".
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