Base | Representation |
---|---|
bin | 10011010110010100… |
… | …001000101001010101 |
3 | 1222121212201022102212 |
4 | 103112110020221111 |
5 | 320022010043301 |
6 | 13313310243205 |
7 | 1333556411225 |
oct | 232624105125 |
9 | 58555638385 |
10 | 20775471701 |
11 | 88a1237426 |
12 | 40397b6505 |
13 | 1c6125022a |
14 | 10112a8085 |
15 | 818d9a4bb |
hex | 4d6508a55 |
20775471701 has 8 divisors (see below), whose sum is σ = 22239578400. Its totient is φ = 19348431120.
The previous prime is 20775471677. The next prime is 20775471713. The reversal of 20775471701 is 10717457702.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20775471701 - 214 = 20775455317 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 (20775471751) 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, 9265370 + ... + 9267611.
It is an arithmetic number, because the mean of its divisors is an integer number (2779947300).
Almost surely, 220775471701 is an apocalyptic number.
It is an amenable number.
20775471701 is a deficient number, since it is larger than the sum of its proper divisors (1464106699).
20775471701 is a wasteful number, since it uses less digits than its factorization.
20775471701 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18533059.
The product of its (nonzero) digits is 96040, while the sum is 41.
The spelling of 20775471701 in words is "twenty billion, seven hundred seventy-five million, four hundred seventy-one thousand, seven hundred one".
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