Base | Representation |
---|---|
bin | 1100110001011110010010… |
… | …10010101000011110010011 |
3 | 10200110012110201222020121011 |
4 | 12120233021102220132103 |
5 | 12140144032033101311 |
6 | 135423305405511351 |
7 | 5626205664565324 |
oct | 630571122503623 |
9 | 120405421866534 |
10 | 28088168253331 |
11 | 8a4a1417a3a3a |
12 | 3197812872557 |
13 | 128991a3730a4 |
14 | 6d169041a44b |
15 | 33a98744d321 |
hex | 198bc94a8793 |
28088168253331 has 2 divisors, whose sum is σ = 28088168253332. Its totient is φ = 28088168253330.
The previous prime is 28088168253323. The next prime is 28088168253361. The reversal of 28088168253331 is 13335286188082.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28088168253331 - 23 = 28088168253323 is a prime.
It is a super-2 number, since 2×280881682533312 (a number of 28 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (28088168253361) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14044084126665 + 14044084126666.
It is an arithmetic number, because the mean of its divisors is an integer number (14044084126666).
Almost surely, 228088168253331 is an apocalyptic number.
28088168253331 is a deficient number, since it is larger than the sum of its proper divisors (1).
28088168253331 is an equidigital number, since it uses as much as digits as its factorization.
28088168253331 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13271040, while the sum is 58.
The spelling of 28088168253331 in words is "twenty-eight trillion, eighty-eight billion, one hundred sixty-eight million, two hundred fifty-three thousand, three hundred thirty-one".
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