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28801860151697 is a prime number
BaseRepresentation
bin1101000110001111101001…
…01001001010100110010001
310202222102122011012010220222
412203013310221022212101
512233342202144323242
6141131220352042425
76031602641616023
oct643076451124621
9122872564163828
1028801860151697
1191a4889213516
123291bb0833415
13130c008345629
14718035d16013
1534e3085795d2
hex1a31f4a4a991

28801860151697 has 2 divisors, whose sum is σ = 28801860151698. Its totient is φ = 28801860151696.

The previous prime is 28801860151679. The next prime is 28801860151723. The reversal of 28801860151697 is 79615106810882.

Together with previous prime (28801860151679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19319549950801 + 9482310200896 = 4395401^2 + 3079336^2 .

It is a cyclic number.

It is not a de Polignac number, because 28801860151697 - 218 = 28801859889553 is a prime.

It is not a weakly prime, because it can be changed into another prime (28801860151637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14400930075848 + 14400930075849.

It is an arithmetic number, because the mean of its divisors is an integer number (14400930075849).

Almost surely, 228801860151697 is an apocalyptic number.

It is an amenable number.

28801860151697 is a deficient number, since it is larger than the sum of its proper divisors (1).

28801860151697 is an equidigital number, since it uses as much as digits as its factorization.

28801860151697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11612160, while the sum is 62.

The spelling of 28801860151697 in words is "twenty-eight trillion, eight hundred one billion, eight hundred sixty million, one hundred fifty-one thousand, six hundred ninety-seven".