Base | Representation |
---|---|
bin | 10010101111010000… |
… | …100000101001011010 |
3 | 1220221012201120101100 |
4 | 102233100200221122 |
5 | 312201233210020 |
6 | 13124301532230 |
7 | 1311411651255 |
oct | 225720405132 |
9 | 56835646340 |
10 | 20120210010 |
11 | 859537463a |
12 | 3a96274076 |
13 | 1b88576314 |
14 | d8c25809c |
15 | 7cb5b3a90 |
hex | 4af420a5a |
20120210010 has 48 divisors (see below), whose sum is σ = 52342303104. Its totient is φ = 5362337376.
The previous prime is 20120210009. The next prime is 20120210029. The reversal of 20120210010 is 1001202102.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 20120209974 and 20120210001.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97779 + ... + 223161.
It is an arithmetic number, because the mean of its divisors is an integer number (1090464648).
Almost surely, 220120210010 is an apocalyptic number.
20120210010 is an abundant number, since it is smaller than the sum of its proper divisors (32222093094).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20120210010 is a wasteful number, since it uses less digits than its factorization.
20120210010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127179 (or 127176 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
Adding to 20120210010 its reverse (1001202102), we get a palindrome (21121412112).
The spelling of 20120210010 in words is "twenty billion, one hundred twenty million, two hundred ten thousand, ten".
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