Base | Representation |
---|---|
bin | 11010111001111001… |
… | …001110000111000011 |
3 | 2202120021222100202002 |
4 | 122321321032013003 |
5 | 433130434314424 |
6 | 21134330414215 |
7 | 2041612644533 |
oct | 327171160703 |
9 | 82507870662 |
10 | 28888588739 |
11 | 1128494532a |
12 | 572289136b |
13 | 295504a3ba |
14 | 15809b94c3 |
15 | b4128bcae |
hex | 6b9e4e1c3 |
28888588739 has 2 divisors, whose sum is σ = 28888588740. Its totient is φ = 28888588738.
The previous prime is 28888588721. The next prime is 28888588763. The reversal of 28888588739 is 93788588882.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28888588739 - 224 = 28871811523 is a prime.
It is a super-2 number, since 2×288885887392 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (28888518739) 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, 14444294369 + 14444294370.
It is an arithmetic number, because the mean of its divisors is an integer number (14444294370).
Almost surely, 228888588739 is an apocalyptic number.
28888588739 is a deficient number, since it is larger than the sum of its proper divisors (1).
28888588739 is an equidigital number, since it uses as much as digits as its factorization.
28888588739 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 495452160, while the sum is 74.
The spelling of 28888588739 in words is "twenty-eight billion, eight hundred eighty-eight million, five hundred eighty-eight thousand, seven hundred thirty-nine".
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