Base | Representation |
---|---|
bin | 111100001110111000… |
… | …0100011010101101111 |
3 | 110100212111121201211010 |
4 | 1320131300203111233 |
5 | 4104401130121212 |
6 | 135231034400303 |
7 | 12226241200656 |
oct | 1703560432557 |
9 | 410774551733 |
10 | 129348285807 |
11 | 4a94680a664 |
12 | 2109a590093 |
13 | c274b70530 |
14 | 6390b0019d |
15 | 3570a2d03c |
hex | 1e1dc2356f |
129348285807 has 16 divisors (see below), whose sum is σ = 185740405088. Its totient is φ = 79594859520.
The previous prime is 129348285791. The next prime is 129348285809. The reversal of 129348285807 is 708582843921.
It is not a de Polignac number, because 129348285807 - 24 = 129348285791 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 (129348285809) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801303 + ... + 949095.
It is an arithmetic number, because the mean of its divisors is an integer number (11608775318).
Almost surely, 2129348285807 is an apocalyptic number.
129348285807 is a deficient number, since it is larger than the sum of its proper divisors (56392119281).
129348285807 is a wasteful number, since it uses less digits than its factorization.
129348285807 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 170250.
The product of its (nonzero) digits is 7741440, while the sum is 57.
The spelling of 129348285807 in words is "one hundred twenty-nine billion, three hundred forty-eight million, two hundred eighty-five thousand, eight hundred seven".
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