Base | Representation |
---|---|
bin | 11000001101100… |
… | …01010001111100 |
3 | 112011011121121200 |
4 | 30012301101330 |
5 | 403443220213 |
6 | 32053055500 |
7 | 5014222044 |
oct | 1406612174 |
9 | 464147550 |
10 | 203101308 |
11 | a4711023 |
12 | 58027590 |
13 | 33101ab7 |
14 | 1cd8c724 |
15 | 12c6d273 |
hex | c1b147c |
203101308 has 36 divisors (see below), whose sum is σ = 516378408. Its totient is φ = 67307040.
The previous prime is 203101307. The next prime is 203101319. The reversal of 203101308 is 803101302.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×2031013082 = 82500282622621728, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203101303) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10078 + ... + 22533.
Almost surely, 2203101308 is an apocalyptic number.
It is an amenable number.
203101308 is an abundant number, since it is smaller than the sum of its proper divisors (313277100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203101308 is a wasteful number, since it uses less digits than its factorization.
203101308 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32794 (or 32789 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 203101308 is about 14251.3616191577. The cubic root of 203101308 is about 587.8108165507.
The spelling of 203101308 in words is "two hundred three million, one hundred one thousand, three hundred eight".
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