Base | Representation |
---|---|
bin | 10011000101111001… |
… | …011100111011101101 |
3 | 1221220200110000011120 |
4 | 103011321130323231 |
5 | 313441002311303 |
6 | 13230111011153 |
7 | 1324003322463 |
oct | 230571347355 |
9 | 57820400146 |
10 | 20500041453 |
11 | 876a814621 |
12 | 3b81509ab9 |
13 | 1c19175858 |
14 | dc688c833 |
15 | 7eeae1553 |
hex | 4c5e5ceed |
20500041453 has 8 divisors (see below), whose sum is σ = 27336410208. Its totient is φ = 13665183504.
The previous prime is 20500041437. The next prime is 20500041503. The reversal of 20500041453 is 35414000502.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20500041453 - 24 = 20500041437 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20500041853) 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, 345651 + ... + 400592.
It is an arithmetic number, because the mean of its divisors is an integer number (3417051276).
Almost surely, 220500041453 is an apocalyptic number.
It is an amenable number.
20500041453 is a deficient number, since it is larger than the sum of its proper divisors (6836368755).
20500041453 is an equidigital number, since it uses as much as digits as its factorization.
20500041453 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 755403.
The product of its (nonzero) digits is 2400, while the sum is 24.
Adding to 20500041453 its reverse (35414000502), we get a palindrome (55914041955).
The spelling of 20500041453 in words is "twenty billion, five hundred million, forty-one thousand, four hundred fifty-three".
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