Base | Representation |
---|---|
bin | 100000001101111… |
… | …0011000100011000 |
3 | 2210100010221211222 |
4 | 1000123303010120 |
5 | 4203220411023 |
6 | 255134111212 |
7 | 35534410502 |
oct | 10033630430 |
9 | 2710127758 |
10 | 1081028888 |
11 | 505238005 |
12 | 26204b508 |
13 | 142c6a984 |
14 | a3800d72 |
15 | 64d89cc8 |
hex | 406f3118 |
1081028888 has 64 divisors (see below), whose sum is σ = 2155507200. Its totient is φ = 507232000.
The previous prime is 1081028887. The next prime is 1081028891. The reversal of 1081028888 is 8888201801.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1081028887) 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, 4110245 + ... + 4110507.
It is an arithmetic number, because the mean of its divisors is an integer number (33679800).
Almost surely, 21081028888 is an apocalyptic number.
It is an amenable number.
1081028888 is a deficient number, since it is larger than the sum of its proper divisors (1074478312).
1081028888 is a wasteful number, since it uses less digits than its factorization.
1081028888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 632 (or 628 counting only the distinct ones).
The product of its (nonzero) digits is 65536, while the sum is 44.
The square root of 1081028888 is about 32879.0037561968. The cubic root of 1081028888 is about 1026.3112745475.
The spelling of 1081028888 in words is "one billion, eighty-one million, twenty-eight thousand, eight hundred eighty-eight".
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