Base | Representation |
---|---|
bin | 101110100101000101… |
… | …111111100111111101 |
3 | 11210002121000102100022 |
4 | 232211011333213331 |
5 | 1304412144432341 |
6 | 34550515141525 |
7 | 3420255554336 |
oct | 564505774775 |
9 | 153077012308 |
10 | 50014452221 |
11 | 1a235944238 |
12 | 98398a48a5 |
13 | 4940a5cc36 |
14 | 25c661328d |
15 | 147ac9be4b |
hex | ba517f9fd |
50014452221 has 2 divisors, whose sum is σ = 50014452222. Its totient is φ = 50014452220.
The previous prime is 50014452197. The next prime is 50014452247. The reversal of 50014452221 is 12225441005.
It is an a-pointer prime, because the next prime (50014452247) can be obtained adding 50014452221 to its sum of digits (26).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 35520940900 + 14493511321 = 188470^2 + 120389^2 .
It is a cyclic number.
It is not a de Polignac number, because 50014452221 - 26 = 50014452157 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (50014452121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25007226110 + 25007226111.
It is an arithmetic number, because the mean of its divisors is an integer number (25007226111).
Almost surely, 250014452221 is an apocalyptic number.
It is an amenable number.
50014452221 is a deficient number, since it is larger than the sum of its proper divisors (1).
50014452221 is an equidigital number, since it uses as much as digits as its factorization.
50014452221 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3200, while the sum is 26.
Adding to 50014452221 its reverse (12225441005), we get a palindrome (62239893226).
The spelling of 50014452221 in words is "fifty billion, fourteen million, four hundred fifty-two thousand, two hundred twenty-one".
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