Base | Representation |
---|---|
bin | 1001101001100101… |
… | …01011101001000001 |
3 | 111101001100020010102 |
4 | 10310302223221001 |
5 | 41102222342411 |
6 | 2214023412145 |
7 | 242244645512 |
oct | 46462535101 |
9 | 14331306112 |
10 | 5180668481 |
11 | 22193969aa |
12 | 1006bb4055 |
13 | 647407b11 |
14 | 372090a09 |
15 | 204c42d3b |
hex | 134caba41 |
5180668481 has 2 divisors, whose sum is σ = 5180668482. Its totient is φ = 5180668480.
The previous prime is 5180668411. The next prime is 5180668487. The reversal of 5180668481 is 1848660815.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 5167309456 + 13359025 = 71884^2 + 3655^2 .
It is a cyclic number.
It is not a de Polignac number, because 5180668481 - 218 = 5180406337 is a prime.
It is a super-2 number, since 2×51806684812 = 53678651820053694722, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (5180668487) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2590334240 + 2590334241.
It is an arithmetic number, because the mean of its divisors is an integer number (2590334241).
Almost surely, 25180668481 is an apocalyptic number.
It is an amenable number.
5180668481 is a deficient number, since it is larger than the sum of its proper divisors (1).
5180668481 is an equidigital number, since it uses as much as digits as its factorization.
5180668481 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 368640, while the sum is 47.
The square root of 5180668481 is about 71976.8607331551. The cubic root of 5180668481 is about 1730.3286578638.
The spelling of 5180668481 in words is "five billion, one hundred eighty million, six hundred sixty-eight thousand, four hundred eighty-one".
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