Base | Representation |
---|---|
bin | 1100100001101111101… |
… | …0000110010110111110 |
3 | 202120111210222001010120 |
4 | 3020123322012112332 |
5 | 12011230421030110 |
6 | 242511422115410 |
7 | 21356160514044 |
oct | 3103372062676 |
9 | 676453861116 |
10 | 215216580030 |
11 | 8330016aa81 |
12 | 3586371bb66 |
13 | 173aa9a909a |
14 | a5b8da2394 |
15 | 58e92ba870 |
hex | 321be865be |
215216580030 has 32 divisors (see below), whose sum is σ = 538977176064. Its totient is φ = 54895823136.
The previous prime is 215216579993. The next prime is 215216580119. The reversal of 215216580030 is 30085612512.
215216580030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 215216579973 and 215216580000.
It is a congruent number.
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, 155953354 + ... + 155954733.
It is an arithmetic number, because the mean of its divisors is an integer number (16843036752).
Almost surely, 2215216580030 is an apocalyptic number.
215216580030 is an abundant number, since it is smaller than the sum of its proper divisors (323760596034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215216580030 is a wasteful number, since it uses less digits than its factorization.
215216580030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 311908120.
The product of its (nonzero) digits is 14400, while the sum is 33.
The spelling of 215216580030 in words is "two hundred fifteen billion, two hundred sixteen million, five hundred eighty thousand, thirty".
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