Base | Representation |
---|---|
bin | 111100011111001010… |
… | …1110100010001000000 |
3 | 110102021121012220100002 |
4 | 1320332111310101000 |
5 | 4112011100103001 |
6 | 135401203015132 |
7 | 12245626435226 |
oct | 1707625642100 |
9 | 412247186302 |
10 | 129894925376 |
11 | 500a7331aa7 |
12 | 2121166a4a8 |
13 | c3311a52b8 |
14 | 6403556b16 |
15 | 35a3a0a46b |
hex | 1e3e574440 |
129894925376 has 28 divisors (see below), whose sum is σ = 259789867008. Its totient is φ = 64436061312.
The previous prime is 129894925339. The next prime is 129894925409. The reversal of 129894925376 is 673529498921.
129894925376 is an admirable number.
It is an unprimeable number.
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, 7982456 + ... + 7998711.
It is an arithmetic number, because the mean of its divisors is an integer number (9278209536).
Almost surely, 2129894925376 is an apocalyptic number.
129894925376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
129894925376 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129894925376 is a wasteful number, since it uses less digits than its factorization.
129894925376 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15981306 (or 15981296 counting only the distinct ones).
The product of its digits is 58786560, while the sum is 65.
The spelling of 129894925376 in words is "one hundred twenty-nine billion, eight hundred ninety-four million, nine hundred twenty-five thousand, three hundred seventy-six".
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