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28660141061 is a prime number
BaseRepresentation
bin11010101100010001…
…110000110000000101
32201222101010000102222
4122230101300300011
5432143444003221
621055530142125
72033140115366
oct325421606005
981871100388
1028660141061
11111779a21a2
12567a281945
132919912866
14155c50db6d
15b2b1b39ab
hex6ac470c05

28660141061 has 2 divisors, whose sum is σ = 28660141062. Its totient is φ = 28660141060.

The previous prime is 28660141051. The next prime is 28660141117. The reversal of 28660141061 is 16014106682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25821276100 + 2838864961 = 160690^2 + 53281^2 .

It is a cyclic number.

It is not a de Polignac number, because 28660141061 - 214 = 28660124677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28660141031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14330070530 + 14330070531.

It is an arithmetic number, because the mean of its divisors is an integer number (14330070531).

Almost surely, 228660141061 is an apocalyptic number.

It is an amenable number.

28660141061 is a deficient number, since it is larger than the sum of its proper divisors (1).

28660141061 is an equidigital number, since it uses as much as digits as its factorization.

28660141061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 28660141061 in words is "twenty-eight billion, six hundred sixty million, one hundred forty-one thousand, sixty-one".