Base | Representation |
---|---|
bin | 1011110100010110100… |
… | …1101110101110101000 |
3 | 201102001122120202220021 |
4 | 2331011221232232220 |
5 | 11311302144430440 |
6 | 233134401010224 |
7 | 20445215531653 |
oct | 2750551565650 |
9 | 642048522807 |
10 | 203032030120 |
11 | 79118319317 |
12 | 33423023974 |
13 | 161b853973a |
14 | 9b80a6489a |
15 | 543474384a |
hex | 2f45a6eba8 |
203032030120 has 64 divisors (see below), whose sum is σ = 461494279440. Its totient is φ = 80382720000.
The previous prime is 203032030067. The next prime is 203032030141. The reversal of 203032030120 is 21030230302.
It can be written as a sum of positive squares in 8 ways, for example, as 153339595396 + 49692434724 = 391586^2 + 222918^2 .
It is a junction number, because it is equal to n+sod(n) for n = 203032030094 and 203032030103.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16772070 + ... + 16784170.
Almost surely, 2203032030120 is an apocalyptic number.
203032030120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
203032030120 is an abundant number, since it is smaller than the sum of its proper divisors (258462249320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203032030120 is a wasteful number, since it uses less digits than its factorization.
203032030120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16366 (or 16362 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 16.
Adding to 203032030120 its reverse (21030230302), we get a palindrome (224062260422).
The spelling of 203032030120 in words is "two hundred three billion, thirty-two million, thirty thousand, one hundred twenty".
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