Base | Representation |
---|---|
bin | 1101010001011101111… |
… | …1000000111111000101 |
3 | 210210120121112200101101 |
4 | 3110113133000333011 |
5 | 12213444440220112 |
6 | 252430531500101 |
7 | 22321504561435 |
oct | 3242737007705 |
9 | 723517480341 |
10 | 228027273157 |
11 | 887844a6372 |
12 | 38239a57631 |
13 | 1866ca98988 |
14 | b0725302c5 |
15 | 5de8cc6757 |
hex | 35177c0fc5 |
228027273157 has 2 divisors, whose sum is σ = 228027273158. Its totient is φ = 228027273156.
The previous prime is 228027273143. The next prime is 228027273181. The reversal of 228027273157 is 751372720822.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 209426132161 + 18601140996 = 457631^2 + 136386^2 .
It is a cyclic number.
It is not a de Polignac number, because 228027273157 - 223 = 228018884549 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (228027273107) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114013636578 + 114013636579.
It is an arithmetic number, because the mean of its divisors is an integer number (114013636579).
Almost surely, 2228027273157 is an apocalyptic number.
It is an amenable number.
228027273157 is a deficient number, since it is larger than the sum of its proper divisors (1).
228027273157 is an equidigital number, since it uses as much as digits as its factorization.
228027273157 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 658560, while the sum is 46.
Adding to 228027273157 its reverse (751372720822), we get a palindrome (979399993979).
The spelling of 228027273157 in words is "two hundred twenty-eight billion, twenty-seven million, two hundred seventy-three thousand, one hundred fifty-seven".
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