Base | Representation |
---|---|
bin | 111011100111101101… |
… | …1011001001100101000 |
3 | 110020110220210000021211 |
4 | 1313033123121030220 |
5 | 4044203213211032 |
6 | 134452411242504 |
7 | 12151543014160 |
oct | 1671733311450 |
9 | 406426700254 |
10 | 128034116392 |
11 | 4a331a14736 |
12 | 20992449434 |
13 | c0c5813cb0 |
14 | 62a83715a0 |
15 | 34e548e747 |
hex | 1dcf6d9328 |
128034116392 has 128 divisors (see below), whose sum is σ = 302441610240. Its totient is φ = 49459553280.
The previous prime is 128034116383. The next prime is 128034116393. The reversal of 128034116392 is 293611430821.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (128034116393) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15769518 + ... + 15777634.
It is an arithmetic number, because the mean of its divisors is an integer number (2362825080).
Almost surely, 2128034116392 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 128034116392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151220805120).
128034116392 is an abundant number, since it is smaller than the sum of its proper divisors (174407493848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128034116392 is a wasteful number, since it uses less digits than its factorization.
128034116392 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8651 (or 8647 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 40.
The spelling of 128034116392 in words is "one hundred twenty-eight billion, thirty-four million, one hundred sixteen thousand, three hundred ninety-two".
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