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28630647002917 is a prime number
BaseRepresentation
bin1101000001010000101111…
…00010110101011100100101
310202101001201000110000112101
412200220113202311130211
512223041031113043132
6140520423200052101
76013332060066661
oct640502742653445
9122331630400471
1028630647002917
119139209919753
123264989904031
1312c8b20c7223b
1470da330c98a1
15349b374977e7
hex1a0a178b5725

28630647002917 has 2 divisors, whose sum is σ = 28630647002918. Its totient is φ = 28630647002916.

The previous prime is 28630647002887. The next prime is 28630647002933. The reversal of 28630647002917 is 71920074603682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17795581947361 + 10835065055556 = 4218481^2 + 3291666^2 .

It is a cyclic number.

It is not a de Polignac number, because 28630647002917 - 211 = 28630647000869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28630647006917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14315323501458 + 14315323501459.

It is an arithmetic number, because the mean of its divisors is an integer number (14315323501459).

Almost surely, 228630647002917 is an apocalyptic number.

It is an amenable number.

28630647002917 is a deficient number, since it is larger than the sum of its proper divisors (1).

28630647002917 is an equidigital number, since it uses as much as digits as its factorization.

28630647002917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 28630647002917 in words is "twenty-eight trillion, six hundred thirty billion, six hundred forty-seven million, two thousand, nine hundred seventeen".