Base | Representation |
---|---|
bin | 1011111100110001… |
… | …10101100000101001 |
3 | 121120002201110011001 |
4 | 11332120311200221 |
5 | 101114321012040 |
6 | 2540332235001 |
7 | 314660026630 |
oct | 57630654051 |
9 | 17502643131 |
10 | 6415407145 |
11 | 27a236a384 |
12 | 12b060ba61 |
13 | 7b3173104 |
14 | 44c064517 |
15 | 27834159a |
hex | 17e635829 |
6415407145 has 32 divisors (see below), whose sum is σ = 9222554880. Its totient is φ = 4191989760.
The previous prime is 6415407143. The next prime is 6415407151. The reversal of 6415407145 is 5417045146.
It is not a de Polignac number, because 6415407145 - 21 = 6415407143 is a prime.
It is a super-2 number, since 2×64154071452 = 82314897672234102050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (6415407143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9721 + ... + 113689.
It is an arithmetic number, because the mean of its divisors is an integer number (288204840).
Almost surely, 26415407145 is an apocalyptic number.
It is an amenable number.
6415407145 is a deficient number, since it is larger than the sum of its proper divisors (2807147735).
6415407145 is a wasteful number, since it uses less digits than its factorization.
6415407145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104065.
The product of its (nonzero) digits is 67200, while the sum is 37.
The square root of 6415407145 is about 80096.2367717735. The cubic root of 6415407145 is about 1858.1242068266.
The spelling of 6415407145 in words is "six billion, four hundred fifteen million, four hundred seven thousand, one hundred forty-five".
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