Base | Representation |
---|---|
bin | 1111100011011… |
… | …10111111001101 |
3 | 100002111222012121 |
4 | 13301232333031 |
5 | 231400244104 |
6 | 20540332541 |
7 | 3143021263 |
oct | 761567715 |
9 | 302458177 |
10 | 130478029 |
11 | 67719090 |
12 | 37844151 |
13 | 21055246 |
14 | 13486433 |
15 | b6c5254 |
hex | 7c6efcd |
130478029 has 4 divisors (see below), whose sum is σ = 142339680. Its totient is φ = 118616380.
The previous prime is 130478027. The next prime is 130478041. The reversal of 130478029 is 920874031.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 130478029 - 21 = 130478027 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130477985 and 130478003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130478027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5930809 + ... + 5930830.
It is an arithmetic number, because the mean of its divisors is an integer number (35584920).
Almost surely, 2130478029 is an apocalyptic number.
It is an amenable number.
130478029 is a deficient number, since it is larger than the sum of its proper divisors (11861651).
130478029 is a wasteful number, since it uses less digits than its factorization.
130478029 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11861650.
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 130478029 is about 11422.6979737713. The cubic root of 130478029 is about 507.1998649209.
The spelling of 130478029 in words is "one hundred thirty million, four hundred seventy-eight thousand, twenty-nine".
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