Base | Representation |
---|---|
bin | 1001001010100101001000… |
… | …01100101001000011001111 |
3 | 2122100202220120120112201211 |
4 | 10211102210030221003033 |
5 | 10120203402240031002 |
6 | 110510543233515251 |
7 | 4150063164436015 |
oct | 445224414510317 |
9 | 78322816515654 |
10 | 20154741330127 |
11 | 647063a058738 |
12 | 231615a112b27 |
13 | b32778c35081 |
14 | 4d96cd5b88b5 |
15 | 24e40ed23dd7 |
hex | 1254a43290cf |
20154741330127 has 8 divisors (see below), whose sum is σ = 20157017178096. Its totient is φ = 20152465649472.
The previous prime is 20154741330077. The next prime is 20154741330131. The reversal of 20154741330127 is 72103314745102.
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 20154741330127 - 211 = 20154741328079 is a prime.
It is a super-2 number, since 2×201547413301272 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20154741330127.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20154741339127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560879853 + ... + 560915785.
It is an arithmetic number, because the mean of its divisors is an integer number (2519627147262).
Almost surely, 220154741330127 is an apocalyptic number.
20154741330127 is a deficient number, since it is larger than the sum of its proper divisors (2275847969).
20154741330127 is a wasteful number, since it uses less digits than its factorization.
20154741330127 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83657.
The product of its (nonzero) digits is 141120, while the sum is 40.
The spelling of 20154741330127 in words is "twenty trillion, one hundred fifty-four billion, seven hundred forty-one million, three hundred thirty thousand, one hundred twenty-seven".
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