Base | Representation |
---|---|
bin | 1101000001010000101111… |
… | …00010110101011100100101 |
3 | 10202101001201000110000112101 |
4 | 12200220113202311130211 |
5 | 12223041031113043132 |
6 | 140520423200052101 |
7 | 6013332060066661 |
oct | 640502742653445 |
9 | 122331630400471 |
10 | 28630647002917 |
11 | 9139209919753 |
12 | 3264989904031 |
13 | 12c8b20c7223b |
14 | 70da330c98a1 |
15 | 349b374977e7 |
hex | 1a0a178b5725 |
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".
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