Base | Representation |
---|---|
bin | 1010011110101001… |
… | …0010010010111101 |
3 | 21021000221010001000 |
4 | 2213222102102331 |
5 | 21230044130221 |
6 | 1143041440513 |
7 | 126464041335 |
oct | 24752222275 |
9 | 7230833030 |
10 | 2812880061 |
11 | 1213885472 |
12 | 666040139 |
13 | 35a9b9994 |
14 | 1c98180c5 |
15 | 116e30e26 |
hex | a7a924bd |
2812880061 has 48 divisors (see below), whose sum is σ = 4660014400. Its totient is φ = 1671964416.
The previous prime is 2812880041. The next prime is 2812880069. The reversal of 2812880061 is 1600882182.
It is not a de Polignac number, because 2812880061 - 25 = 2812880029 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2812879998 and 2812880025.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2812880069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138771 + ... + 157743.
Almost surely, 22812880061 is an apocalyptic number.
It is an amenable number.
2812880061 is a deficient number, since it is larger than the sum of its proper divisors (1847134339).
2812880061 is a wasteful number, since it uses less digits than its factorization.
2812880061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19035 (or 19012 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 36.
The square root of 2812880061 is about 53036.5917174171. The cubic root of 2812880061 is about 1411.6176228745.
The spelling of 2812880061 in words is "two billion, eight hundred twelve million, eight hundred eighty thousand, sixty-one".
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