Base | Representation |
---|---|
bin | 1011110100101001111… |
… | …1110000000000110100 |
3 | 201102021022111201020120 |
4 | 2331022133300000310 |
5 | 11311434001100040 |
6 | 233150422531540 |
7 | 20450223364311 |
oct | 2751237600064 |
9 | 642238451216 |
10 | 203113300020 |
11 | 7915a187624 |
12 | 33446296bb0 |
13 | 161cc322b37 |
14 | 9b8b77bd08 |
15 | 543b9487d0 |
hex | 2f4a7f0034 |
203113300020 has 24 divisors (see below), whose sum is σ = 568717240224. Its totient is φ = 54163546656.
The previous prime is 203113299973. The next prime is 203113300051. The reversal of 203113300020 is 20003311302.
203113300020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
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, 1692610774 + ... + 1692610893.
It is an arithmetic number, because the mean of its divisors is an integer number (23696551676).
Almost surely, 2203113300020 is an apocalyptic number.
203113300020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
203113300020 is an abundant number, since it is smaller than the sum of its proper divisors (365603940204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203113300020 is a wasteful number, since it uses less digits than its factorization.
203113300020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3385221679 (or 3385221677 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 203113300020 its reverse (20003311302), we get a palindrome (223116611322).
The spelling of 203113300020 in words is "two hundred three billion, one hundred thirteen million, three hundred thousand, twenty".
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