Base | Representation |
---|---|
bin | 10011001101010110… |
… | …001000011100010010 |
3 | 1222020101120120100200 |
4 | 103031112020130102 |
5 | 314220000001320 |
6 | 13250333200030 |
7 | 1330051415643 |
oct | 231526103422 |
9 | 58211516320 |
10 | 20625000210 |
11 | 8824302a21 |
12 | 3bb7330016 |
13 | 1c39017849 |
14 | dd92d96ca |
15 | 80aa76290 |
hex | 4cd588712 |
20625000210 has 48 divisors (see below), whose sum is σ = 53636394240. Its totient is φ = 5498831520.
The previous prime is 20625000203. The next prime is 20625000229. The reversal of 20625000210 is 1200052602.
20625000210 is a `hidden beast` number, since 20 + 625 + 0 + 0 + 0 + 21 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 453405 + ... + 496815.
It is an arithmetic number, because the mean of its divisors is an integer number (1117424880).
Almost surely, 220625000210 is an apocalyptic number.
20625000210 is an abundant number, since it is smaller than the sum of its proper divisors (33011394030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20625000210 is a wasteful number, since it uses less digits than its factorization.
20625000210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48703 (or 48700 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
Adding to 20625000210 its reverse (1200052602), we get a palindrome (21825052812).
The spelling of 20625000210 in words is "twenty billion, six hundred twenty-five million, two hundred ten", and thus it is an aban number.
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