Base | Representation |
---|---|
bin | 111110111100011… |
… | …0000110011110100 |
3 | 12110012011100012222 |
4 | 1331320300303310 |
5 | 13311140010423 |
6 | 545324101512 |
7 | 103223655443 |
oct | 17570606364 |
9 | 5405140188 |
10 | 2112031988 |
11 | 994206990 |
12 | 4ab394898 |
13 | 278741591 |
14 | 1606dcd5a |
15 | c56423c8 |
hex | 7de30cf4 |
2112031988 has 24 divisors (see below), whose sum is σ = 4035848544. Its totient is φ = 959112800.
The previous prime is 2112031967. The next prime is 2112031993. The reversal of 2112031988 is 8891302112.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26006 + ... + 70002.
It is an arithmetic number, because the mean of its divisors is an integer number (168160356).
Almost surely, 22112031988 is an apocalyptic number.
It is an amenable number.
2112031988 is a deficient number, since it is larger than the sum of its proper divisors (1923816556).
2112031988 is a wasteful number, since it uses less digits than its factorization.
2112031988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45103 (or 45101 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 35.
The square root of 2112031988 is about 45956.8491957401. The cubic root of 2112031988 is about 1283.0202094030.
The spelling of 2112031988 in words is "two billion, one hundred twelve million, thirty-one thousand, nine hundred eighty-eight".
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