Base | Representation |
---|---|
bin | 10010111101100101… |
… | …111111110010111001 |
3 | 1221112222021221001121 |
4 | 102331211333302321 |
5 | 313144321124031 |
6 | 13204212545241 |
7 | 1320362203216 |
oct | 227545776271 |
9 | 57488257047 |
10 | 20360723641 |
11 | 86a9109035 |
12 | 3b42922221 |
13 | 1bc6346b8b |
14 | db2184b0d |
15 | 7e2772011 |
hex | 4bd97fcb9 |
20360723641 has 8 divisors (see below), whose sum is σ = 21007486080. Its totient is φ = 19723687152.
The previous prime is 20360723611. The next prime is 20360723681. The reversal of 20360723641 is 14632706302.
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 20360723641 - 211 = 20360721593 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20360723597 and 20360723606.
It is not an unprimeable number, because it can be changed into a prime (20360723611) 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, 2427235 + ... + 2435608.
It is an arithmetic number, because the mean of its divisors is an integer number (2625935760).
Almost surely, 220360723641 is an apocalyptic number.
It is an amenable number.
20360723641 is a deficient number, since it is larger than the sum of its proper divisors (646762439).
20360723641 is an equidigital number, since it uses as much as digits as its factorization.
20360723641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4862975.
The product of its (nonzero) digits is 36288, while the sum is 34.
The spelling of 20360723641 in words is "twenty billion, three hundred sixty million, seven hundred twenty-three thousand, six hundred forty-one".
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