Base | Representation |
---|---|
bin | 1111011011101… |
… | …10011101101111 |
3 | 100000121020211202 |
4 | 13231312131233 |
5 | 231120210304 |
6 | 20502440115 |
7 | 3131251430 |
oct | 755663557 |
9 | 300536752 |
10 | 129460079 |
11 | 67093301 |
12 | 3743303b |
13 | 20a89ac8 |
14 | 1329d487 |
15 | b57381e |
hex | 7b7676f |
129460079 has 8 divisors (see below), whose sum is σ = 150746400. Its totient is φ = 108871776.
The previous prime is 129460021. The next prime is 129460081. The reversal of 129460079 is 970064921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 129460079 - 28 = 129459823 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (129460579) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174104 + ... + 174845.
It is an arithmetic number, because the mean of its divisors is an integer number (18843300).
Almost surely, 2129460079 is an apocalyptic number.
129460079 is a deficient number, since it is larger than the sum of its proper divisors (21286321).
129460079 is an equidigital number, since it uses as much as digits as its factorization.
129460079 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 349009.
The product of its (nonzero) digits is 27216, while the sum is 38.
The square root of 129460079 is about 11378.0525135016. The cubic root of 129460079 is about 505.8774133196.
The spelling of 129460079 in words is "one hundred twenty-nine million, four hundred sixty thousand, seventy-nine".
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