Base | Representation |
---|---|
bin | 100100100111010101… |
… | …0111110111011110101 |
3 | 21111221210220101211120 |
4 | 1021032222332323311 |
5 | 2242013100131010 |
6 | 100042150454153 |
7 | 5452336016352 |
oct | 1111652767365 |
9 | 244853811746 |
10 | 78629302005 |
11 | 3038a211421 |
12 | 132a4964359 |
13 | 7551175707 |
14 | 3b3cad3629 |
15 | 20a2eb5e70 |
hex | 124eabeef5 |
78629302005 has 8 divisors (see below), whose sum is σ = 125806883232. Its totient is φ = 41935627728.
The previous prime is 78629302001. The next prime is 78629302021. The reversal of 78629302005 is 50020392687.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 78629302005 - 22 = 78629302001 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78629302001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2620976719 + ... + 2620976748.
It is an arithmetic number, because the mean of its divisors is an integer number (15725860404).
Almost surely, 278629302005 is an apocalyptic number.
It is an amenable number.
78629302005 is a deficient number, since it is larger than the sum of its proper divisors (47177581227).
78629302005 is a wasteful number, since it uses less digits than its factorization.
78629302005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5241953475.
The product of its (nonzero) digits is 181440, while the sum is 42.
The spelling of 78629302005 in words is "seventy-eight billion, six hundred twenty-nine million, three hundred two thousand, five".
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