Base | Representation |
---|---|
bin | 1111100011001… |
… | …11101010011101 |
3 | 100002110110001111 |
4 | 13301213222131 |
5 | 231343314104 |
6 | 20535542021 |
7 | 3142534645 |
oct | 761475235 |
9 | 302413044 |
10 | 130448029 |
11 | 676a8598 |
12 | 3782a911 |
13 | 210446aa |
14 | 13479525 |
15 | b6bb404 |
hex | 7c67a9d |
130448029 has 4 divisors (see below), whose sum is σ = 132019776. Its totient is φ = 128876284.
The previous prime is 130448023. The next prime is 130448033. The reversal of 130448029 is 920844031.
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, and also an emirpimes, since its reverse is a distinct semiprime: 920844031 = 23 ⋅40036697.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-130448029 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130448023) 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 3 ways as a sum of consecutive naturals, for example, 785749 + ... + 785914.
It is an arithmetic number, because the mean of its divisors is an integer number (33004944).
Almost surely, 2130448029 is an apocalyptic number.
It is an amenable number.
130448029 is a deficient number, since it is larger than the sum of its proper divisors (1571747).
130448029 is an equidigital number, since it uses as much as digits as its factorization.
130448029 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1571746.
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 130448029 is about 11421.3847234037. The cubic root of 130448029 is about 507.1609895067.
The spelling of 130448029 in words is "one hundred thirty million, four hundred forty-eight thousand, twenty-nine".
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