Base | Representation |
---|---|
bin | 1001011110110100100100… |
… | …01110111110110110011001 |
3 | 2201211021002000011010001021 |
4 | 10233122102032332312121 |
5 | 10213102230002441034 |
6 | 112202243323122441 |
7 | 4251244001243515 |
oct | 457322216766631 |
9 | 81737060133037 |
10 | 20850224655769 |
11 | 6709592288003 |
12 | 2408ab6073421 |
13 | b8322470aa22 |
14 | 521228ab3145 |
15 | 2625675e76b4 |
hex | 12f6923bed99 |
20850224655769 has 8 divisors (see below), whose sum is σ = 21335190814080. Its totient is φ = 20365262007216.
The previous prime is 20850224655671. The next prime is 20850224655847. The reversal of 20850224655769 is 96755642205802.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20850224655769 - 219 = 20850224131481 is a prime.
It is a super-2 number, since 2×208502246557692 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20850224655269) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14068704 + ... + 15479950.
It is an arithmetic number, because the mean of its divisors is an integer number (2666898851760).
Almost surely, 220850224655769 is an apocalyptic number.
It is an amenable number.
20850224655769 is a deficient number, since it is larger than the sum of its proper divisors (484966158311).
20850224655769 is a wasteful number, since it uses less digits than its factorization.
20850224655769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1754879.
The product of its (nonzero) digits is 72576000, while the sum is 61.
The spelling of 20850224655769 in words is "twenty trillion, eight hundred fifty billion, two hundred twenty-four million, six hundred fifty-five thousand, seven hundred sixty-nine".
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