Base | Representation |
---|---|
bin | 100000011011011… |
… | …1001001110010011 |
3 | 2210211111211110201 |
4 | 1000312321032103 |
5 | 4212030210422 |
6 | 255550240031 |
7 | 35651653315 |
oct | 10066711623 |
9 | 2724454421 |
10 | 1088131987 |
11 | 509249738 |
12 | 2644b6017 |
13 | 144586aa7 |
14 | a472d7b5 |
15 | 657de727 |
hex | 40db9393 |
1088131987 has 2 divisors, whose sum is σ = 1088131988. Its totient is φ = 1088131986.
The previous prime is 1088131943. The next prime is 1088132041. The reversal of 1088131987 is 7891318801.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1088131987 - 219 = 1087607699 is a prime.
It is a super-2 number, since 2×10881319872 = 2368062442265136338, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1088131787) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544065993 + 544065994.
It is an arithmetic number, because the mean of its divisors is an integer number (544065994).
Almost surely, 21088131987 is an apocalyptic number.
1088131987 is a deficient number, since it is larger than the sum of its proper divisors (1).
1088131987 is an equidigital number, since it uses as much as digits as its factorization.
1088131987 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 96768, while the sum is 46.
The square root of 1088131987 is about 32986.8456661136. The cubic root of 1088131987 is about 1028.5542247462.
The spelling of 1088131987 in words is "one billion, eighty-eight million, one hundred thirty-one thousand, nine hundred eighty-seven".
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