Base | Representation |
---|---|
bin | 111110111100011… |
… | …0000110011111000 |
3 | 12110012011100020010 |
4 | 1331320300303320 |
5 | 13311140010432 |
6 | 545324101520 |
7 | 103223655450 |
oct | 17570606370 |
9 | 5405140203 |
10 | 2112031992 |
11 | 994206994 |
12 | 4ab3948a0 |
13 | 278741595 |
14 | 1606dcd60 |
15 | c56423cc |
hex | 7de30cf8 |
2112031992 has 64 divisors (see below), whose sum is σ = 6389349120. Its totient is φ = 567940608.
The previous prime is 2112031967. The next prime is 2112031993. The reversal of 2112031992 is 2991302112.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112031993) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366898 + ... + 372609.
It is an arithmetic number, because the mean of its divisors is an integer number (99833580).
Almost surely, 22112031992 is an apocalyptic number.
It is an amenable number.
2112031992 is an abundant number, since it is smaller than the sum of its proper divisors (4277317128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112031992 is a wasteful number, since it uses less digits than its factorization.
2112031992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 739540 (or 739536 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 30.
The square root of 2112031992 is about 45956.8492392592. The cubic root of 2112031992 is about 1283.0202102130.
The spelling of 2112031992 in words is "two billion, one hundred twelve million, thirty-one thousand, nine hundred ninety-two".
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