Base | Representation |
---|---|
bin | 1000001001101100… |
… | …0011101001100000 |
3 | 12122111100120022122 |
4 | 2002123003221200 |
5 | 13440130142122 |
6 | 1001043123412 |
7 | 105136543262 |
oct | 20233035140 |
9 | 5574316278 |
10 | 2188130912 |
11 | a23163160 |
12 | 510973568 |
13 | 28b437126 |
14 | 16a86bb32 |
15 | cc175142 |
hex | 826c3a60 |
2188130912 has 24 divisors (see below), whose sum is σ = 4699509192. Its totient is φ = 994604800.
The previous prime is 2188130899. The next prime is 2188130941. The reversal of 2188130912 is 2190318812.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3107789 + ... + 3108492.
It is an arithmetic number, because the mean of its divisors is an integer number (195812883).
Almost surely, 22188130912 is an apocalyptic number.
2188130912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2188130912 is an abundant number, since it is smaller than the sum of its proper divisors (2511378280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2188130912 is a wasteful number, since it uses less digits than its factorization.
2188130912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6216302 (or 6216294 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 35.
The square root of 2188130912 is about 46777.4615814069. The cubic root of 2188130912 is about 1298.2483137271.
The spelling of 2188130912 in words is "two billion, one hundred eighty-eight million, one hundred thirty thousand, nine hundred twelve".
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