Base | Representation |
---|---|
bin | 1010000110100110… |
… | …1000011001001000 |
3 | 21000000012011111212 |
4 | 2201221220121020 |
5 | 21023240421003 |
6 | 1125040312252 |
7 | 124131001052 |
oct | 24151503110 |
9 | 7000164455 |
10 | 2712045128 |
11 | 1171973711 |
12 | 638312688 |
13 | 342b43140 |
14 | 1ba28a8d2 |
15 | 10d163dd8 |
hex | a1a68648 |
2712045128 has 16 divisors (see below), whose sum is σ = 5476245180. Its totient is φ = 1251713088.
The previous prime is 2712045121. The next prime is 2712045157. The reversal of 2712045128 is 8215402172.
It can be written as a sum of positive squares in 2 ways, for example, as 2678890564 + 33154564 = 51758^2 + 5758^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2712045094 and 2712045103.
It is not an unprimeable number, because it can be changed into a prime (2712045121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13038575 + ... + 13038782.
Almost surely, 22712045128 is an apocalyptic number.
It is an amenable number.
2712045128 is an abundant number, since it is smaller than the sum of its proper divisors (2764200052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2712045128 is a wasteful number, since it uses less digits than its factorization.
2712045128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26077376 (or 26077372 counting only the distinct ones).
The product of its (nonzero) digits is 8960, while the sum is 32.
The square root of 2712045128 is about 52077.2995459634. The cubic root of 2712045128 is about 1394.5442648292.
The spelling of 2712045128 in words is "two billion, seven hundred twelve million, forty-five thousand, one hundred twenty-eight".
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