Base | Representation |
---|---|
bin | 1111010010000… |
… | …00011110011011 |
3 | 22221012202010020 |
4 | 13221000132123 |
5 | 230304042423 |
6 | 20415321523 |
7 | 3114412560 |
oct | 751003633 |
9 | 287182106 |
10 | 128190363 |
11 | 663a6354 |
12 | 36b202a3 |
13 | 20733bb2 |
14 | 1304c867 |
15 | b3c24e3 |
hex | 7a4079b |
128190363 has 32 divisors (see below), whose sum is σ = 204718080. Its totient is φ = 69806880.
The previous prime is 128190331. The next prime is 128190373. The reversal of 128190363 is 363091821.
It is not a de Polignac number, because 128190363 - 25 = 128190331 is a prime.
It is not an unprimeable number, because it can be changed into a prime (128190373) 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, 42148 + ... + 45086.
It is an arithmetic number, because the mean of its divisors is an integer number (6397440).
Almost surely, 2128190363 is an apocalyptic number.
128190363 is a deficient number, since it is larger than the sum of its proper divisors (76527717).
128190363 is a wasteful number, since it uses less digits than its factorization.
128190363 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3047.
The product of its (nonzero) digits is 7776, while the sum is 33.
The square root of 128190363 is about 11322.1183088678. The cubic root of 128190363 is about 504.2181319894.
The spelling of 128190363 in words is "one hundred twenty-eight million, one hundred ninety thousand, three hundred sixty-three".
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