Base | Representation |
---|---|
bin | 100000011011011… |
… | …0111000111111101 |
3 | 2210211111101200021 |
4 | 1000312313013331 |
5 | 4212024422024 |
6 | 255550132141 |
7 | 35651616253 |
oct | 10066670775 |
9 | 2724441607 |
10 | 1088123389 |
11 | 509243231 |
12 | 2644b1051 |
13 | 144582bc2 |
14 | a472a5d3 |
15 | 657dbde4 |
hex | 40db71fd |
1088123389 has 2 divisors, whose sum is σ = 1088123390. Its totient is φ = 1088123388.
The previous prime is 1088123383. The next prime is 1088123401. The reversal of 1088123389 is 9833218801.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 563255289 + 524868100 = 23733^2 + 22910^2 .
It is a cyclic number.
It is not a de Polignac number, because 1088123389 - 23 = 1088123381 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1088123381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544061694 + 544061695.
It is an arithmetic number, because the mean of its divisors is an integer number (544061695).
Almost surely, 21088123389 is an apocalyptic number.
It is an amenable number.
1088123389 is a deficient number, since it is larger than the sum of its proper divisors (1).
1088123389 is an equidigital number, since it uses as much as digits as its factorization.
1088123389 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 82944, while the sum is 43.
The square root of 1088123389 is about 32986.7153411794. The cubic root of 1088123389 is about 1028.5515156593.
The spelling of 1088123389 in words is "one billion, eighty-eight million, one hundred twenty-three thousand, three hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •