Base | Representation |
---|---|
bin | 10101011000011011… |
… | …11001111100110101 |
3 | 1002122000020212201010 |
4 | 22230031321330311 |
5 | 142002142322411 |
6 | 5135024222433 |
7 | 554316052116 |
oct | 125415717465 |
9 | 32560225633 |
10 | 11479260981 |
11 | 496081a751 |
12 | 228446aa19 |
13 | 110c2cab26 |
14 | 7ac7c820d |
15 | 472bac7a6 |
hex | 2ac379f35 |
11479260981 has 16 divisors (see below), whose sum is σ = 15350328000. Its totient is φ = 7630543488.
The previous prime is 11479260959. The next prime is 11479260997. The reversal of 11479260981 is 18906297411.
It is not a de Polignac number, because 11479260981 - 26 = 11479260917 is a prime.
It is a super-2 number, since 2×114792609812 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 11479260981.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11479260181) 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, 2875735 + ... + 2879723.
It is an arithmetic number, because the mean of its divisors is an integer number (959395500).
Almost surely, 211479260981 is an apocalyptic number.
It is an amenable number.
11479260981 is a deficient number, since it is larger than the sum of its proper divisors (3871067019).
11479260981 is a wasteful number, since it uses less digits than its factorization.
11479260981 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6548.
The product of its (nonzero) digits is 217728, while the sum is 48.
The spelling of 11479260981 in words is "eleven billion, four hundred seventy-nine million, two hundred sixty thousand, nine hundred eighty-one".
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