Base | Representation |
---|---|
bin | 1001011011010101100101… |
… | …10000011110111001010001 |
3 | 2201101211001222012200210212 |
4 | 10231222302300132321101 |
5 | 10204122041333140101 |
6 | 112031244304533505 |
7 | 4236505252000256 |
oct | 455526260367121 |
9 | 81354058180725 |
10 | 20730511224401 |
11 | 6672840163170 |
12 | 23a9866321295 |
13 | b74b569caac4 |
14 | 51950d84542d |
15 | 25e3ac89b1bb |
hex | 12dab2c1ee51 |
20730511224401 has 16 divisors (see below), whose sum is σ = 22869611280000. Its totient is φ = 18633836707200.
The previous prime is 20730511224391. The next prime is 20730511224407. The reversal of 20730511224401 is 10442211503702.
It is a happy number.
It is not a de Polignac number, because 20730511224401 - 210 = 20730511223377 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20730511224407) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67427975 + ... + 67734723.
It is an arithmetic number, because the mean of its divisors is an integer number (1429350705000).
Almost surely, 220730511224401 is an apocalyptic number.
It is an amenable number.
20730511224401 is a deficient number, since it is larger than the sum of its proper divisors (2139100055599).
20730511224401 is a wasteful number, since it uses less digits than its factorization.
20730511224401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 375880.
The product of its (nonzero) digits is 13440, while the sum is 32.
The spelling of 20730511224401 in words is "twenty trillion, seven hundred thirty billion, five hundred eleven million, two hundred twenty-four thousand, four hundred one".
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