Base | Representation |
---|---|
bin | 10011001110110111… |
… | …110111100101110101 |
3 | 1222022011210020212222 |
4 | 103032313313211311 |
5 | 314243024340201 |
6 | 13253050252125 |
7 | 1330512246002 |
oct | 231667674565 |
9 | 58264706788 |
10 | 20650621301 |
11 | 8837812482 |
12 | 4003a27045 |
13 | 1c4141865b |
14 | ddc8888a9 |
15 | 80ce3791b |
hex | 4cedf7975 |
20650621301 has 8 divisors (see below), whose sum is σ = 21148965024. Its totient is φ = 20153100240.
The previous prime is 20650621289. The next prime is 20650621349. The reversal of 20650621301 is 10312605602.
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 20650621301 - 218 = 20650359157 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20650621391) 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 7 ways as a sum of consecutive naturals, for example, 154706 + ... + 255411.
It is an arithmetic number, because the mean of its divisors is an integer number (2643620628).
Almost surely, 220650621301 is an apocalyptic number.
It is an amenable number.
20650621301 is a deficient number, since it is larger than the sum of its proper divisors (498343723).
20650621301 is a wasteful number, since it uses less digits than its factorization.
20650621301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 411331.
The product of its (nonzero) digits is 2160, while the sum is 26.
The spelling of 20650621301 in words is "twenty billion, six hundred fifty million, six hundred twenty-one thousand, three hundred one".
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