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228560880269 is a prime number
BaseRepresentation
bin1101010011011101001…
…0100100001010001101
3210211221210121201201202
43110313102210022031
512221043041132034
6252555512515245
722340644266341
oct3246722441215
9724853551652
10228560880269
1188a28727287
12383686abb25
13187264b9827
14b0c3353621
155e2aa7c47e
hex35374a428d

228560880269 has 2 divisors, whose sum is σ = 228560880270. Its totient is φ = 228560880268.

The previous prime is 228560880137. The next prime is 228560880281. The reversal of 228560880269 is 962088065822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194062275625 + 34498604644 = 440525^2 + 185738^2 .

It is a cyclic number.

It is not a de Polignac number, because 228560880269 - 216 = 228560814733 is a prime.

It is a super-2 number, since 2×2285608802692 (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228560880469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114280440134 + 114280440135.

It is an arithmetic number, because the mean of its divisors is an integer number (114280440135).

Almost surely, 2228560880269 is an apocalyptic number.

It is an amenable number.

228560880269 is a deficient number, since it is larger than the sum of its proper divisors (1).

228560880269 is an equidigital number, since it uses as much as digits as its factorization.

228560880269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6635520, while the sum is 56.

The spelling of 228560880269 in words is "two hundred twenty-eight billion, five hundred sixty million, eight hundred eighty thousand, two hundred sixty-nine".