Base | Representation |
---|---|
bin | 10011000001110010… |
… | …010011110010001010 |
3 | 1221201212122101112212 |
4 | 103001302103302022 |
5 | 313320322410411 |
6 | 13215204305122 |
7 | 1322205100622 |
oct | 230162236212 |
9 | 57655571485 |
10 | 20431060106 |
11 | 8734889946 |
12 | 3b623a21a2 |
13 | 1c07aa28a2 |
14 | dbb653882 |
15 | 7e8a1768b |
hex | 4c1c93c8a |
20431060106 has 16 divisors (see below), whose sum is σ = 32104684800. Its totient is φ = 9738416688.
The previous prime is 20431060079. The next prime is 20431060163. The reversal of 20431060106 is 60106013402.
It is a happy number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2224910 + ... + 2234073.
It is an arithmetic number, because the mean of its divisors is an integer number (2006542800).
Almost surely, 220431060106 is an apocalyptic number.
20431060106 is a deficient number, since it is larger than the sum of its proper divisors (11673624694).
20431060106 is a wasteful number, since it uses less digits than its factorization.
20431060106 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4459093.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 20431060106 its reverse (60106013402), we get a palindrome (80537073508).
The spelling of 20431060106 in words is "twenty billion, four hundred thirty-one million, sixty thousand, one hundred six".
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