Base | Representation |
---|---|
bin | 100001001000010… |
… | …1101011111000100 |
3 | 2212110211000222100 |
4 | 1002100231133010 |
5 | 4234042124433 |
6 | 302151032100 |
7 | 36356045301 |
oct | 10220553704 |
9 | 2773730870 |
10 | 1111676868 |
11 | 520570315 |
12 | 27036b630 |
13 | 14940b883 |
14 | a78dc0a8 |
15 | 678e0b13 |
hex | 4242d7c4 |
1111676868 has 18 divisors (see below), whose sum is σ = 2810072174. Its totient is φ = 370558944.
The previous prime is 1111676857. The next prime is 1111676899. The reversal of 1111676868 is 8686761111.
It can be written as a sum of positive squares in only one way, i.e., 803042244 + 308634624 = 28338^2 + 17568^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15439921 + ... + 15439992.
Almost surely, 21111676868 is an apocalyptic number.
1111676868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1111676868 is an abundant number, since it is smaller than the sum of its proper divisors (1698395306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1111676868 is a wasteful number, since it uses less digits than its factorization.
1111676868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30879923 (or 30879918 counting only the distinct ones).
The product of its digits is 96768, while the sum is 45.
The square root of 1111676868 is about 33341.8186066687. The cubic root of 1111676868 is about 1035.9199326423.
The spelling of 1111676868 in words is "one billion, one hundred eleven million, six hundred seventy-six thousand, eight hundred sixty-eight".
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