Base | Representation |
---|---|
bin | 1001000110011101010110… |
… | …01010010001110011010101 |
3 | 2121212020101001000111010120 |
4 | 10203032223022101303111 |
5 | 10110343334300332412 |
6 | 110321522523542153 |
7 | 4133620606110066 |
oct | 443165312216325 |
9 | 77766331014116 |
10 | 20013124230357 |
11 | 6416577983605 |
12 | 22b281698a959 |
13 | b222ca33100b |
14 | 4d28d72c456d |
15 | 24a8c2176b8c |
hex | 1233ab291cd5 |
20013124230357 has 8 divisors (see below), whose sum is σ = 27005661612384. Its totient is φ = 13181334834288.
The previous prime is 20013124230329. The next prime is 20013124230371. The reversal of 20013124230357 is 75303242131002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20013124230357 - 220 = 20013123181781 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20013124230377) 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, 40186996198 + ... + 40186996695.
It is an arithmetic number, because the mean of its divisors is an integer number (3375707701548).
Almost surely, 220013124230357 is an apocalyptic number.
It is an amenable number.
20013124230357 is a deficient number, since it is larger than the sum of its proper divisors (6992537382027).
20013124230357 is an equidigital number, since it uses as much as digits as its factorization.
20013124230357 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80373992979.
The product of its (nonzero) digits is 30240, while the sum is 33.
Adding to 20013124230357 its reverse (75303242131002), we get a palindrome (95316366361359).
The spelling of 20013124230357 in words is "twenty trillion, thirteen billion, one hundred twenty-four million, two hundred thirty thousand, three hundred fifty-seven".
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