Base | Representation |
---|---|
bin | 10111000101110101110001… |
… | …01001010011110100110001 |
3 | 20122210100102011000202002212 |
4 | 23202322320221103310301 |
5 | 23123422224002211121 |
6 | 255555103354021505 |
7 | 13460414106522035 |
oct | 1342727051236461 |
9 | 218710364022085 |
10 | 50778201210161 |
11 | 151a7a06886397 |
12 | 58411a4a17895 |
13 | 2244496439729 |
14 | c7796c8081c5 |
15 | 5d0cce31b25b |
hex | 2e2eb8a53d31 |
50778201210161 has 2 divisors, whose sum is σ = 50778201210162. Its totient is φ = 50778201210160.
The previous prime is 50778201210157. The next prime is 50778201210199. The reversal of 50778201210161 is 16101210287705.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 49092877970161 + 1685323240000 = 7006631^2 + 1298200^2 .
It is a cyclic number.
It is not a de Polignac number, because 50778201210161 - 22 = 50778201210157 is a prime.
It is not a weakly prime, because it can be changed into another prime (50778201210151) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25389100605080 + 25389100605081.
It is an arithmetic number, because the mean of its divisors is an integer number (25389100605081).
Almost surely, 250778201210161 is an apocalyptic number.
It is an amenable number.
50778201210161 is a deficient number, since it is larger than the sum of its proper divisors (1).
50778201210161 is an equidigital number, since it uses as much as digits as its factorization.
50778201210161 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 47040, while the sum is 41.
Adding to 50778201210161 its reverse (16101210287705), we get a palindrome (66879411497866).
The spelling of 50778201210161 in words is "fifty trillion, seven hundred seventy-eight billion, two hundred one million, two hundred ten thousand, one hundred sixty-one".
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