Base | Representation |
---|---|
bin | 10100001000100011… |
… | …00101011111000011 |
3 | 1000220022022001112210 |
4 | 22010101211133003 |
5 | 134114114341331 |
6 | 4544325153203 |
7 | 531601102134 |
oct | 120421453703 |
9 | 30808261483 |
10 | 10809137091 |
11 | 4647526755 |
12 | 2117b5b803 |
13 | 103351c20c |
14 | 7477c9c8b |
15 | 433e3c446 |
hex | 2844657c3 |
10809137091 has 16 divisors (see below), whose sum is σ = 14570484768. Its totient is φ = 7127040000.
The previous prime is 10809137051. The next prime is 10809137093. The reversal of 10809137091 is 19073190801.
It is not a de Polignac number, because 10809137091 - 215 = 10809104323 is a prime.
It is not an unprimeable number, because it can be changed into a prime (10809137093) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454291 + ... + 477491.
It is an arithmetic number, because the mean of its divisors is an integer number (910655298).
Almost surely, 210809137091 is an apocalyptic number.
10809137091 is a deficient number, since it is larger than the sum of its proper divisors (3761347677).
10809137091 is a wasteful number, since it uses less digits than its factorization.
10809137091 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24902.
The product of its (nonzero) digits is 13608, while the sum is 39.
The spelling of 10809137091 in words is "ten billion, eight hundred nine million, one hundred thirty-seven thousand, ninety-one".
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