Base | Representation |
---|---|
bin | 10101110001011000… |
… | …00001011001010111 |
3 | 1010011120221102112020 |
4 | 22320230001121113 |
5 | 142414222414031 |
6 | 5211500424223 |
7 | 562436314065 |
oct | 127054013127 |
9 | 33146842466 |
10 | 11688482391 |
11 | 4a58930903 |
12 | 2322548073 |
13 | 1143763491 |
14 | 7cc4cb035 |
15 | 486239096 |
hex | 2b8b01657 |
11688482391 has 8 divisors (see below), whose sum is σ = 15592183920. Its totient is φ = 7788551232.
The previous prime is 11688482363. The next prime is 11688482411. The reversal of 11688482391 is 19328488611.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 11688482391 - 214 = 11688466007 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11688482341) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935350 + ... + 947763.
It is an arithmetic number, because the mean of its divisors is an integer number (1949022990).
Almost surely, 211688482391 is an apocalyptic number.
11688482391 is a deficient number, since it is larger than the sum of its proper divisors (3903701529).
11688482391 is a wasteful number, since it uses less digits than its factorization.
11688482391 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1885185.
The product of its digits is 663552, while the sum is 51.
The spelling of 11688482391 in words is "eleven billion, six hundred eighty-eight million, four hundred eighty-two thousand, three hundred ninety-one".
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