Base | Representation |
---|---|
bin | 1111100011010… |
… | …10100001100001 |
3 | 100002111001010102 |
4 | 13301222201201 |
5 | 231344202440 |
6 | 20540112145 |
7 | 3142614053 |
oct | 761524141 |
9 | 302431112 |
10 | 130459745 |
11 | 67706379 |
12 | 37835655 |
13 | 21049b20 |
14 | 1347d8d3 |
15 | b6beb15 |
hex | 7c6a861 |
130459745 has 16 divisors (see below), whose sum is σ = 172709712. Its totient is φ = 93987840.
The previous prime is 130459741. The next prime is 130459789. The reversal of 130459745 is 547954031.
It can be written as a sum of positive squares in 8 ways, for example, as 37356544 + 93103201 = 6112^2 + 9649^2 .
It is not a de Polignac number, because 130459745 - 22 = 130459741 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 130459699 and 130459708.
It is not an unprimeable number, because it can be changed into a prime (130459741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21812 + ... + 27141.
It is an arithmetic number, because the mean of its divisors is an integer number (10794357).
Almost surely, 2130459745 is an apocalyptic number.
It is an amenable number.
130459745 is a deficient number, since it is larger than the sum of its proper divisors (42249967).
130459745 is a wasteful number, since it uses less digits than its factorization.
130459745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49012.
The product of its (nonzero) digits is 75600, while the sum is 38.
The square root of 130459745 is about 11421.8976094167. The cubic root of 130459745 is about 507.1761723611.
The spelling of 130459745 in words is "one hundred thirty million, four hundred fifty-nine thousand, seven hundred forty-five".
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