Base | Representation |
---|---|
bin | 1100011010101001101… |
… | …0111111100010111010 |
3 | 202101121010021211212221 |
4 | 3012222122333202322 |
5 | 11443331011202000 |
6 | 241554445154254 |
7 | 21261041120431 |
oct | 3065232774272 |
9 | 671533254787 |
10 | 213312600250 |
11 | 82513446872 |
12 | 35411b5b98a |
13 | 171663b0c29 |
14 | a478180118 |
15 | 583707361a |
hex | 31aa6bf8ba |
213312600250 has 16 divisors (see below), whose sum is σ = 399321188136. Its totient is φ = 85325040000.
The previous prime is 213312600229. The next prime is 213312600269. The reversal of 213312600250 is 52006213312.
It can be written as a sum of positive squares in 4 ways, for example, as 121913403921 + 91399196329 = 349161^2 + 302323^2 .
It is a Harshad number since it is a multiple of its sum of digits (25).
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, 426624951 + ... + 426625450.
Almost surely, 2213312600250 is an apocalyptic number.
213312600250 is a deficient number, since it is larger than the sum of its proper divisors (186008587886).
213312600250 is an equidigital number, since it uses as much as digits as its factorization.
213312600250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 853250418 (or 853250408 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 25.
Adding to 213312600250 its reverse (52006213312), we get a palindrome (265318813562).
The spelling of 213312600250 in words is "two hundred thirteen billion, three hundred twelve million, six hundred thousand, two hundred fifty".
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