Base | Representation |
---|---|
bin | 1100010100011011… |
… | …10000101000000001 |
3 | 122001221002101100001 |
4 | 12022031300220001 |
5 | 102021120031040 |
6 | 3012141200001 |
7 | 322616425426 |
oct | 61215605001 |
9 | 18057071301 |
10 | 6613830145 |
11 | 289437552a |
12 | 1346b60001 |
13 | 8152c7680 |
14 | 46a555d4d |
15 | 28a98859a |
hex | 18a370a01 |
6613830145 has 16 divisors (see below), whose sum is σ = 8687225232. Its totient is φ = 4803989760.
The previous prime is 6613830133. The next prime is 6613830163. The reversal of 6613830145 is 5410383166.
It can be written as a sum of positive squares in 8 ways, for example, as 757295361 + 5856534784 = 27519^2 + 76528^2 .
It is not a de Polignac number, because 6613830145 - 213 = 6613821953 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 830062 + ... + 837991.
It is an arithmetic number, because the mean of its divisors is an integer number (542951577).
Almost surely, 26613830145 is an apocalyptic number.
6613830145 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
It is an amenable number.
6613830145 is a deficient number, since it is larger than the sum of its proper divisors (2073395087).
6613830145 is a wasteful number, since it uses less digits than its factorization.
6613830145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1668132.
The product of its (nonzero) digits is 51840, while the sum is 37.
The square root of 6613830145 is about 81325.4581604063. The cubic root of 6613830145 is about 1877.0867571238.
The spelling of 6613830145 in words is "six billion, six hundred thirteen million, eight hundred thirty thousand, one hundred forty-five".
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