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28674008773 is a prime number
BaseRepresentation
bin11010101101000110…
…101010011011000101
32202000100012120100221
4122231012222123011
5432211021240043
621101143304341
72033366024134
oct325506523305
982010176327
1028674008773
1111184804213
125682a4b0b1
13291c7599c7
1415602bd91b
15b2c5028ed
hex6ad1aa6c5

28674008773 has 2 divisors, whose sum is σ = 28674008774. Its totient is φ = 28674008772.

The previous prime is 28674008761. The next prime is 28674008833. The reversal of 28674008773 is 37780047682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22270488289 + 6403520484 = 149233^2 + 80022^2 .

It is a cyclic number.

It is not a de Polignac number, because 28674008773 - 221 = 28671911621 is a prime.

It is a super-2 number, since 2×286740087732 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28674008773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28674008743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14337004386 + 14337004387.

It is an arithmetic number, because the mean of its divisors is an integer number (14337004387).

Almost surely, 228674008773 is an apocalyptic number.

It is an amenable number.

28674008773 is a deficient number, since it is larger than the sum of its proper divisors (1).

28674008773 is an equidigital number, since it uses as much as digits as its factorization.

28674008773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3161088, while the sum is 52.

The spelling of 28674008773 in words is "twenty-eight billion, six hundred seventy-four million, eight thousand, seven hundred seventy-three".