Base | Representation |
---|---|
bin | 10010110100010101… |
… | …000000000000101010 |
3 | 1221011010210020001021 |
4 | 102310111000000222 |
5 | 312340022220010 |
6 | 13140541043054 |
7 | 1313463662560 |
oct | 226425000052 |
9 | 57133706037 |
10 | 20205273130 |
11 | 8629393839 |
12 | 3aba85648a |
13 | 1ba008a123 |
14 | d9967ba30 |
15 | 7d3cb78da |
hex | 4b454002a |
20205273130 has 32 divisors (see below), whose sum is σ = 41576805504. Its totient is φ = 6925576896.
The previous prime is 20205273091. The next prime is 20205273133. The reversal of 20205273130 is 3137250202.
It is a junction number, because it is equal to n+sod(n) for n = 20205273095 and 20205273104.
It is not an unprimeable number, because it can be changed into a prime (20205273133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222649 + ... + 299971.
It is an arithmetic number, because the mean of its divisors is an integer number (1299275172).
Almost surely, 220205273130 is an apocalyptic number.
20205273130 is an abundant number, since it is smaller than the sum of its proper divisors (21371532374).
20205273130 is a wasteful number, since it uses less digits than its factorization.
20205273130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81070.
The product of its (nonzero) digits is 2520, while the sum is 25.
The spelling of 20205273130 in words is "twenty billion, two hundred five million, two hundred seventy-three thousand, one hundred thirty".
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