Base | Representation |
---|---|
bin | 10010101000001110… |
… | …000111111110001101 |
3 | 1220121222120012110101 |
4 | 102220032013332031 |
5 | 311431022103031 |
6 | 13104443211101 |
7 | 1305446264020 |
oct | 225016077615 |
9 | 56558505411 |
10 | 20002144141 |
11 | 8534763a41 |
12 | 3a62816a91 |
13 | 1b69c78865 |
14 | d7a6c31b7 |
15 | 7c1041361 |
hex | 4a8387f8d |
20002144141 has 4 divisors (see below), whose sum is σ = 22859593312. Its totient is φ = 17144694972.
The previous prime is 20002144117. The next prime is 20002144153. The reversal of 20002144141 is 14144120002.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 20002144141 - 25 = 20002144109 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 (20002144111) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428724575 + ... + 1428724588.
It is an arithmetic number, because the mean of its divisors is an integer number (5714898328).
Almost surely, 220002144141 is an apocalyptic number.
It is an amenable number.
20002144141 is a deficient number, since it is larger than the sum of its proper divisors (2857449171).
20002144141 is an equidigital number, since it uses as much as digits as its factorization.
20002144141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2857449170.
The product of its (nonzero) digits is 256, while the sum is 19.
Adding to 20002144141 its reverse (14144120002), we get a palindrome (34146264143).
The spelling of 20002144141 in words is "twenty billion, two million, one hundred forty-four thousand, one hundred forty-one".
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