Base | Representation |
---|---|
bin | 1010010111010101… |
… | …1011000011000101 |
3 | 21011220021200201101 |
4 | 2211311123003011 |
5 | 21144223320221 |
6 | 1140025100101 |
7 | 125642456431 |
oct | 24565330305 |
9 | 7156250641 |
10 | 2782245061 |
11 | 11a8560992 |
12 | 657927631 |
13 | 35455196b |
14 | 1c57219c1 |
15 | 1143cdd91 |
hex | a5d5b0c5 |
2782245061 has 2 divisors, whose sum is σ = 2782245062. Its totient is φ = 2782245060.
The previous prime is 2782245049. The next prime is 2782245091. The reversal of 2782245061 is 1605422872.
It is a happy number.
2782245061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1592409025 + 1189836036 = 39905^2 + 34494^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2782245061 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2782245061.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2782245001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1391122530 + 1391122531.
It is an arithmetic number, because the mean of its divisors is an integer number (1391122531).
Almost surely, 22782245061 is an apocalyptic number.
It is an amenable number.
2782245061 is a deficient number, since it is larger than the sum of its proper divisors (1).
2782245061 is an equidigital number, since it uses as much as digits as its factorization.
2782245061 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 53760, while the sum is 37.
The square root of 2782245061 is about 52746.9910137062. The cubic root of 2782245061 is about 1406.4742757462.
The spelling of 2782245061 in words is "two billion, seven hundred eighty-two million, two hundred forty-five thousand, sixty-one".
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