Base | Representation |
---|---|
bin | 1111100100000… |
… | …00011111110011 |
3 | 100002122121120211 |
4 | 13302000133303 |
5 | 231410042442 |
6 | 20542044551 |
7 | 3143440336 |
oct | 762003763 |
9 | 302577524 |
10 | 130549747 |
11 | 67767a59 |
12 | 37879757 |
13 | 2107ba93 |
14 | 134a461d |
15 | b6db617 |
hex | 7c807f3 |
130549747 has 2 divisors, whose sum is σ = 130549748. Its totient is φ = 130549746.
The previous prime is 130549723. The next prime is 130549751. The reversal of 130549747 is 747945031.
It is a strong prime.
It is an emirp because it is prime and its reverse (747945031) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-130549747 is a prime.
It is not a weakly prime, because it can be changed into another prime (130549717) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65274873 + 65274874.
It is an arithmetic number, because the mean of its divisors is an integer number (65274874).
Almost surely, 2130549747 is an apocalyptic number.
130549747 is a deficient number, since it is larger than the sum of its proper divisors (1).
130549747 is an equidigital number, since it uses as much as digits as its factorization.
130549747 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 105840, while the sum is 40.
The square root of 130549747 is about 11425.8368183691. The cubic root of 130549747 is about 507.2927763421.
It can be divided in two parts, 13054 and 9747, that added together give a square (22801 = 1512).
The spelling of 130549747 in words is "one hundred thirty million, five hundred forty-nine thousand, seven hundred forty-seven".
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