Base | Representation |
---|---|
bin | 111110111101100… |
… | …0010100001000000 |
3 | 12110020021122220010 |
4 | 1331323002201000 |
5 | 13311313110200 |
6 | 545344544520 |
7 | 103232022432 |
oct | 17573024100 |
9 | 5406248803 |
10 | 2112628800 |
11 | 994584317 |
12 | 4ab622140 |
13 | 2788c0119 |
14 | 160816652 |
15 | c570e150 |
hex | 7dec2840 |
2112628800 has 84 divisors (see below), whose sum is σ = 6931198736. Its totient is φ = 563366400.
The previous prime is 2112628781. The next prime is 2112628841. The reversal of 2112628800 is 88262112.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215266 + ... + 224865.
Almost surely, 22112628800 is an apocalyptic number.
2112628800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2112628800 is an abundant number, since it is smaller than the sum of its proper divisors (4818569936).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112628800 is a wasteful number, since it uses less digits than its factorization.
2112628800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 440156 (or 440141 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 30.
The square root of 2112628800 is about 45963.3419150523. The cubic root of 2112628800 is about 1283.1410487570.
The spelling of 2112628800 in words is "two billion, one hundred twelve million, six hundred twenty-eight thousand, eight hundred".
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