Base | Representation |
---|---|
bin | 1000010000001011… |
… | …0000011001100100 |
3 | 12201101111122221100 |
4 | 2010002300121210 |
5 | 14014110040134 |
6 | 1003453520100 |
7 | 105616603305 |
oct | 20402603144 |
9 | 5641448840 |
10 | 2215315044 |
11 | a3753aa88 |
12 | 519aa3030 |
13 | 293c64507 |
14 | 1703067ac |
15 | ce744999 |
hex | 840b0664 |
2215315044 has 36 divisors (see below), whose sum is σ = 5604305616. Its totient is φ = 737847408.
The previous prime is 2215315043. The next prime is 2215315049. The reversal of 2215315044 is 4405135122.
2215315044 is a `hidden beast` number, since 2 + 2 + 153 + 1 + 504 + 4 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a junction number, because it is equal to n+sod(n) for n = 2215314999 and 2215315017.
It is not an unprimeable number, because it can be changed into a prime (2215315043) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22207 + ... + 70169.
It is an arithmetic number, because the mean of its divisors is an integer number (155675156).
Almost surely, 22215315044 is an apocalyptic number.
It is an amenable number.
2215315044 is an abundant number, since it is smaller than the sum of its proper divisors (3388990572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2215315044 is a wasteful number, since it uses less digits than its factorization.
2215315044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49256 (or 49251 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The square root of 2215315044 is about 47067.1333735123. The cubic root of 2215315044 is about 1303.6024427286.
The spelling of 2215315044 in words is "two billion, two hundred fifteen million, three hundred fifteen thousand, forty-four".
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