Base | Representation |
---|---|
bin | 111111101100110… |
… | …1111100010011011 |
3 | 12111221222221200122 |
4 | 1333121233202123 |
5 | 13334142022442 |
6 | 552033023455 |
7 | 103653031331 |
oct | 17731574233 |
9 | 5457887618 |
10 | 2137454747 |
11 | 9a75a042a |
12 | 4b79b4b8b |
13 | 280aa302c |
14 | 163c39b51 |
15 | c79b4dd2 |
hex | 7f66f89b |
2137454747 has 2 divisors, whose sum is σ = 2137454748. Its totient is φ = 2137454746.
The previous prime is 2137454741. The next prime is 2137454771. The reversal of 2137454747 is 7474547312.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2137454747 - 28 = 2137454491 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2137454698 and 2137454707.
It is not a weakly prime, because it can be changed into another prime (2137454741) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068727373 + 1068727374.
It is an arithmetic number, because the mean of its divisors is an integer number (1068727374).
Almost surely, 22137454747 is an apocalyptic number.
2137454747 is a deficient number, since it is larger than the sum of its proper divisors (1).
2137454747 is an equidigital number, since it uses as much as digits as its factorization.
2137454747 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 658560, while the sum is 44.
The square root of 2137454747 is about 46232.6156192790. The cubic root of 2137454747 is about 1288.1476422689.
The spelling of 2137454747 in words is "two billion, one hundred thirty-seven million, four hundred fifty-four thousand, seven hundred forty-seven".
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