Base | Representation |
---|---|
bin | 1011101001111000010… |
… | …1011100001011010000 |
3 | 201010210201121111222120 |
4 | 2322132011130023100 |
5 | 11240023001044442 |
6 | 231551412534240 |
7 | 20315441025003 |
oct | 2723605341320 |
9 | 633721544876 |
10 | 200220721872 |
11 | 77a05417876 |
12 | 32979621380 |
13 | 15b5ac80332 |
14 | 999553953a |
15 | 531ca234ec |
hex | 2e9e15c2d0 |
200220721872 has 40 divisors (see below), whose sum is σ = 520958010720. Its totient is φ = 66260092800.
The previous prime is 200220721817. The next prime is 200220721903. The reversal of 200220721872 is 278127022002.
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, 14997879 + ... + 15011222.
It is an arithmetic number, because the mean of its divisors is an integer number (13023950268).
Almost surely, 2200220721872 is an apocalyptic number.
It is an amenable number.
200220721872 is an abundant number, since it is smaller than the sum of its proper divisors (320737288848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200220721872 is a wasteful number, since it uses less digits than its factorization.
200220721872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30009251 (or 30009245 counting only the distinct ones).
The product of its (nonzero) digits is 12544, while the sum is 33.
Adding to 200220721872 its reverse (278127022002), we get a palindrome (478347743874).
The spelling of 200220721872 in words is "two hundred billion, two hundred twenty million, seven hundred twenty-one thousand, eight hundred seventy-two".
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