Base | Representation |
---|---|
bin | 10010111100010111… |
… | …000110100100010001 |
3 | 1221111112101012011221 |
4 | 102330113012210101 |
5 | 313124022321001 |
6 | 13202153405041 |
7 | 1320021334666 |
oct | 227427064421 |
9 | 57445335157 |
10 | 20340042001 |
11 | 8698472674 |
12 | 3b37a09781 |
13 | 1bc1c85416 |
14 | dad51da6d |
15 | 7e0a391a1 |
hex | 4bc5c6911 |
20340042001 has 8 divisors (see below), whose sum is σ = 20723270400. Its totient is φ = 19960103472.
The previous prime is 20340041999. The next prime is 20340042029. The reversal of 20340042001 is 10024004302.
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 20340042001 - 21 = 20340041999 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20340042031) 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, 809985 + ... + 834718.
It is an arithmetic number, because the mean of its divisors is an integer number (2590408800).
Almost surely, 220340042001 is an apocalyptic number.
It is an amenable number.
20340042001 is a deficient number, since it is larger than the sum of its proper divisors (383228399).
20340042001 is a wasteful number, since it uses less digits than its factorization.
20340042001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1644935.
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 20340042001 its reverse (10024004302), we get a palindrome (30364046303).
The spelling of 20340042001 in words is "twenty billion, three hundred forty million, forty-two thousand, one".
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