Base | Representation |
---|---|
bin | 100000000010101… |
… | …0001110111100010 |
3 | 2202221001001020111 |
4 | 1000011101313202 |
5 | 4200213010410 |
6 | 254403401534 |
7 | 35433263230 |
oct | 10005216742 |
9 | 2687031214 |
10 | 1075125730 |
11 | 501975968 |
12 | 2600832aa |
13 | 141981a93 |
14 | a2b05950 |
15 | 645c0b8a |
hex | 40151de2 |
1075125730 has 64 divisors (see below), whose sum is σ = 2381633280. Its totient is φ = 341028864.
The previous prime is 1075125719. The next prime is 1075125743. The reversal of 1075125730 is 375215701.
It is a junction number, because it is equal to n+sod(n) for n = 1075125692 and 1075125701.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62554 + ... + 77866.
It is an arithmetic number, because the mean of its divisors is an integer number (37213020).
Almost surely, 21075125730 is an apocalyptic number.
1075125730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1075125730 is an abundant number, since it is smaller than the sum of its proper divisors (1306507550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1075125730 is a wasteful number, since it uses less digits than its factorization.
1075125730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15403.
The product of its (nonzero) digits is 7350, while the sum is 31.
The square root of 1075125730 is about 32789.1099299752. The cubic root of 1075125730 is about 1024.4397430008.
It can be divided in two parts, 10751 and 25730, that added together give a square (36481 = 1912).
The spelling of 1075125730 in words is "one billion, seventy-five million, one hundred twenty-five thousand, seven hundred thirty".
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