Base | Representation |
---|---|
bin | 111110111100100… |
… | …0110101111111000 |
3 | 12110012022220111010 |
4 | 1331321012233320 |
5 | 13311200344343 |
6 | 545330033520 |
7 | 103224511434 |
oct | 17571065770 |
9 | 5405286433 |
10 | 2112121848 |
11 | 994268451 |
12 | 4ab4188a0 |
13 | 278773455 |
14 | 1607239c4 |
15 | c565dd33 |
hex | 7de46bf8 |
2112121848 has 32 divisors (see below), whose sum is σ = 5352642000. Its totient is φ = 694395648.
The previous prime is 2112121813. The next prime is 2112121849. The reversal of 2112121848 is 8481212112.
It is a super-2 number, since 2×21121218482 = 8922117401597870208, which contains 22 as substring.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112121849) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601023 + ... + 604526.
Almost surely, 22112121848 is an apocalyptic number.
It is an amenable number.
2112121848 is an abundant number, since it is smaller than the sum of its proper divisors (3240520152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112121848 is a wasteful number, since it uses less digits than its factorization.
2112121848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1205631 (or 1205627 counting only the distinct ones).
The product of its digits is 2048, while the sum is 30.
The square root of 2112121848 is about 45957.8268415729. The cubic root of 2112121848 is about 1283.0384052387.
The spelling of 2112121848 in words is "two billion, one hundred twelve million, one hundred twenty-one thousand, eight hundred forty-eight".
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