Base | Representation |
---|---|
bin | 1000010000000110… |
… | …1110000001001100 |
3 | 12201100222211222010 |
4 | 2010001232001030 |
5 | 14014022340043 |
6 | 1003444021220 |
7 | 105614361513 |
oct | 20401560114 |
9 | 5640884863 |
10 | 2215043148 |
11 | a3737477a |
12 | 519991810 |
13 | 293b9a826 |
14 | 17027567a |
15 | ce6de133 |
hex | 8406e04c |
2215043148 has 12 divisors (see below), whose sum is σ = 5168434040. Its totient is φ = 738347712.
The previous prime is 2215043143. The next prime is 2215043183. The reversal of 2215043148 is 8413405122.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×22150431482 = 9812832295003499808, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2215043141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92293453 + ... + 92293476.
Almost surely, 22215043148 is an apocalyptic number.
It is an amenable number.
2215043148 is an abundant number, since it is smaller than the sum of its proper divisors (2953390892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2215043148 is a wasteful number, since it uses less digits than its factorization.
2215043148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 184586936 (or 184586934 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 30.
The square root of 2215043148 is about 47064.2448999238. The cubic root of 2215043148 is about 1303.5491081336.
The spelling of 2215043148 in words is "two billion, two hundred fifteen million, forty-three thousand, one hundred forty-eight".
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