Base | Representation |
---|---|
bin | 111011100111111011… |
… | …1100011111110111101 |
3 | 110020111102200011112012 |
4 | 1313033313203332331 |
5 | 4044212111004410 |
6 | 134453233421005 |
7 | 12151662540404 |
oct | 1671767437675 |
9 | 406442604465 |
10 | 128041500605 |
11 | 4a3360a8597 |
12 | 20994a0a765 |
13 | c0c71cb055 |
14 | 62a933463b |
15 | 34e5e4c605 |
hex | 1dcfde3fbd |
128041500605 has 8 divisors (see below), whose sum is σ = 153658536192. Its totient is φ = 102427376848.
The previous prime is 128041500581. The next prime is 128041500619. The reversal of 128041500605 is 506005140821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 128041500605 - 212 = 128041496509 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630017 + ... + 808086.
It is an arithmetic number, because the mean of its divisors is an integer number (19207317024).
Almost surely, 2128041500605 is an apocalyptic number.
It is an amenable number.
128041500605 is a deficient number, since it is larger than the sum of its proper divisors (25617035587).
128041500605 is a wasteful number, since it uses less digits than its factorization.
128041500605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1455915.
The product of its (nonzero) digits is 9600, while the sum is 32.
The spelling of 128041500605 in words is "one hundred twenty-eight billion, forty-one million, five hundred thousand, six hundred five".
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