Base | Representation |
---|---|
bin | 100000001111000100010… |
… | …011001110100011101100 |
3 | 21211202211012111101021101 |
4 | 200033010103032203230 |
5 | 242243213043012030 |
6 | 4413352144412444 |
7 | 316020521226532 |
oct | 40170423164354 |
9 | 7752735441241 |
10 | 2215201532140 |
11 | 784509573093 |
12 | 2b93a2617124 |
13 | 130b7b0a207c |
14 | 79305856152 |
15 | 3c950cc47ca |
hex | 203c44ce8ec |
2215201532140 has 24 divisors (see below), whose sum is σ = 4801985258112. Its totient is φ = 857497367040.
The previous prime is 2215201532087. The next prime is 2215201532161. The reversal of 2215201532140 is 412351025122.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 2215201532099 and 2215201532108.
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, 1786452229 + ... + 1786453468.
It is an arithmetic number, because the mean of its divisors is an integer number (200082719088).
Almost surely, 22215201532140 is an apocalyptic number.
2215201532140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2215201532140 is an abundant number, since it is smaller than the sum of its proper divisors (2586783725972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2215201532140 is a wasteful number, since it uses less digits than its factorization.
2215201532140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3572905737 (or 3572905735 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 28.
Adding to 2215201532140 its reverse (412351025122), we get a palindrome (2627552557262).
The spelling of 2215201532140 in words is "two trillion, two hundred fifteen billion, two hundred one million, five hundred thirty-two thousand, one hundred forty".
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