Base | Representation |
---|---|
bin | 10010110110110101… |
… | …010100100000000001 |
3 | 1221021001212102012121 |
4 | 102312311110200001 |
5 | 312431302100342 |
6 | 13145041524241 |
7 | 1314514132303 |
oct | 226665244001 |
9 | 57231772177 |
10 | 20247300097 |
11 | 8650089272 |
12 | 3b10943681 |
13 | 1ba89b345b |
14 | da109b973 |
15 | 7d781a067 |
hex | 4b6d54801 |
20247300097 has 8 divisors (see below), whose sum is σ = 20277388544. Its totient is φ = 20217234528.
The previous prime is 20247300083. The next prime is 20247300109. The reversal of 20247300097 is 79000374202.
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-20247300097 is a prime.
It is a super-2 number, since 2×202473000972 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20247309097) 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, 2529133 + ... + 2537125.
It is an arithmetic number, because the mean of its divisors is an integer number (2534673568).
Almost surely, 220247300097 is an apocalyptic number.
It is an amenable number.
20247300097 is a deficient number, since it is larger than the sum of its proper divisors (30088447).
20247300097 is a wasteful number, since it uses less digits than its factorization.
20247300097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11439.
The product of its (nonzero) digits is 21168, while the sum is 34.
Adding to 20247300097 its reverse (79000374202), we get a palindrome (99247674299).
The spelling of 20247300097 in words is "twenty billion, two hundred forty-seven million, three hundred thousand, ninety-seven".
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