Base | Representation |
---|---|
bin | 1010000110110000010101… |
… | …0000000000111011100100 |
3 | 1110100012212102202112110120 |
4 | 2201230011100000323210 |
5 | 2424021133112311243 |
6 | 35344222245521540 |
7 | 2224520053520046 |
oct | 241540520007344 |
9 | 43305772675416 |
10 | 11111168478948 |
11 | 35a4246a365aa |
12 | 12b5503a132b0 |
13 | 627a17a2a005 |
14 | 2a5ad7a01a96 |
15 | 144061162c83 |
hex | a1b05400ee4 |
11111168478948 has 24 divisors (see below), whose sum is σ = 25926670012320. Its totient is φ = 3703635650880.
The previous prime is 11111168478941. The next prime is 11111168478967. The reversal of 11111168478948 is 84987486111111.
It is a super-2 number, since 2×111111684789482 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 11111168478891 and 11111168478900.
It is not an unprimeable number, because it can be changed into a prime (11111168478941) 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, 10364818 + ... + 11386473.
It is an arithmetic number, because the mean of its divisors is an integer number (1080277917180).
Almost surely, 211111168478948 is an apocalyptic number.
It is an amenable number.
11111168478948 is an abundant number, since it is smaller than the sum of its proper divisors (14815501533372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11111168478948 is a wasteful number, since it uses less digits than its factorization.
11111168478948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21793867 (or 21793865 counting only the distinct ones).
The product of its digits is 3096576, while the sum is 60.
The spelling of 11111168478948 in words is "eleven trillion, one hundred eleven billion, one hundred sixty-eight million, four hundred seventy-eight thousand, nine hundred forty-eight".
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