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28317882029 is a prime number
BaseRepresentation
bin11010010111111000…
…001001011010101101
32201002112002110022112
4122113320021122231
5430443334211104
621001542253405
72021513011553
oct322770113255
981075073275
1028317882029
1111011784998
1255a3727265
132893a39c18
141528c99bd3
15b0b10886e
hex697e096ad

28317882029 has 2 divisors, whose sum is σ = 28317882030. Its totient is φ = 28317882028.

The previous prime is 28317882001. The next prime is 28317882041. The reversal of 28317882029 is 92028871382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15128508004 + 13189374025 = 122998^2 + 114845^2 .

It is a cyclic number.

It is not a de Polignac number, because 28317882029 - 216 = 28317816493 is a prime.

It is a super-2 number, since 2×283178820292 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28317882529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14158941014 + 14158941015.

It is an arithmetic number, because the mean of its divisors is an integer number (14158941015).

Almost surely, 228317882029 is an apocalyptic number.

It is an amenable number.

28317882029 is a deficient number, since it is larger than the sum of its proper divisors (1).

28317882029 is an equidigital number, since it uses as much as digits as its factorization.

28317882029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 28317882029 in words is "twenty-eight billion, three hundred seventeen million, eight hundred eighty-two thousand, twenty-nine".