Base | Representation |
---|---|
bin | 10010110011100010… |
… | …000101110000000111 |
3 | 1221010012200012000101 |
4 | 102303202011300013 |
5 | 312323113133203 |
6 | 13135343024531 |
7 | 1313242356502 |
oct | 226342056007 |
9 | 57105605011 |
10 | 20191927303 |
11 | 86218a8929 |
12 | 3ab629b147 |
13 | 1b9a3966a2 |
14 | d979a6139 |
15 | 7d2a2d41d |
hex | 4b3885c07 |
20191927303 has 8 divisors (see below), whose sum is σ = 20416973472. Its totient is φ = 19967225856.
The previous prime is 20191927291. The next prime is 20191927313. The reversal of 20191927303 is 30372919102.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20191927303 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 (20191927313) 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, 32526 + ... + 203572.
It is an arithmetic number, because the mean of its divisors is an integer number (2552121684).
Almost surely, 220191927303 is an apocalyptic number.
20191927303 is a deficient number, since it is larger than the sum of its proper divisors (225046169).
20191927303 is a wasteful number, since it uses less digits than its factorization.
20191927303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172361.
The product of its (nonzero) digits is 20412, while the sum is 37.
The spelling of 20191927303 in words is "twenty billion, one hundred ninety-one million, nine hundred twenty-seven thousand, three hundred three".
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