Base | Representation |
---|---|
bin | 100000000011111… |
… | …1010001010000101 |
3 | 2202222100001210200 |
4 | 1000013322022011 |
5 | 4200402040140 |
6 | 254430241113 |
7 | 35442164004 |
oct | 10007721205 |
9 | 2688301720 |
10 | 1075815045 |
11 | 5022a6848 |
12 | 260356199 |
13 | 141b63766 |
14 | a2c44c3b |
15 | 646aa030 |
hex | 401fa285 |
1075815045 has 12 divisors (see below), whose sum is σ = 1864746156. Its totient is φ = 573768000.
The previous prime is 1075815011. The next prime is 1075815049. The reversal of 1075815045 is 5405185701.
1075815045 is a `hidden beast` number, since 1 + 0 + 75 + 81 + 504 + 5 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 790846884 + 284968161 = 28122^2 + 16881^2 .
It is not a de Polignac number, because 1075815045 - 26 = 1075814981 is a prime.
It is a super-2 number, since 2×10758150452 = 2314756022096704050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1075815049) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11953456 + ... + 11953545.
It is an arithmetic number, because the mean of its divisors is an integer number (155395513).
Almost surely, 21075815045 is an apocalyptic number.
1075815045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1075815045 is a deficient number, since it is larger than the sum of its proper divisors (788931111).
1075815045 is a wasteful number, since it uses less digits than its factorization.
1075815045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23907012 (or 23907009 counting only the distinct ones).
The product of its (nonzero) digits is 28000, while the sum is 36.
The square root of 1075815045 is about 32799.6195862086. The cubic root of 1075815045 is about 1024.6586354823.
The spelling of 1075815045 in words is "one billion, seventy-five million, eight hundred fifteen thousand, forty-five".
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