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228027273157 is a prime number
BaseRepresentation
bin1101010001011101111…
…1000000111111000101
3210210120121112200101101
43110113133000333011
512213444440220112
6252430531500101
722321504561435
oct3242737007705
9723517480341
10228027273157
11887844a6372
1238239a57631
131866ca98988
14b0725302c5
155de8cc6757
hex35177c0fc5

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".