Base | Representation |
---|---|
bin | 10010110000101100… |
… | …011010000010101001 |
3 | 1220222220001110220122 |
4 | 102300230122002221 |
5 | 312223420101301 |
6 | 13130522133025 |
7 | 1312123504124 |
oct | 226054320251 |
9 | 56886043818 |
10 | 20144300201 |
11 | 85a7a28993 |
12 | 3aa2351175 |
13 | 1b9055c37c |
14 | d915293bb |
15 | 7cd77181b |
hex | 4b0b1a0a9 |
20144300201 has 4 divisors (see below), whose sum is σ = 20159550804. Its totient is φ = 20129049600.
The previous prime is 20144300173. The next prime is 20144300219. The reversal of 20144300201 is 10200344102.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 19740250000 + 404050201 = 140500^2 + 20101^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20144300201 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 20144300201.
It is not an unprimeable number, because it can be changed into a prime (20144300221) 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, 7623320 + ... + 7625961.
It is an arithmetic number, because the mean of its divisors is an integer number (5039887701).
Almost surely, 220144300201 is an apocalyptic number.
It is an amenable number.
20144300201 is a deficient number, since it is larger than the sum of its proper divisors (15250603).
20144300201 is a wasteful number, since it uses less digits than its factorization.
20144300201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15250602.
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 20144300201 its reverse (10200344102), we get a palindrome (30344644303).
The spelling of 20144300201 in words is "twenty billion, one hundred forty-four million, three hundred thousand, two hundred one".
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