Base | Representation |
---|---|
bin | 111110111110000… |
… | …0111001100001010 |
3 | 12110020210221202021 |
4 | 1331330013030022 |
5 | 13311401110330 |
6 | 545354555054 |
7 | 103234303504 |
oct | 17574071412 |
9 | 5406727667 |
10 | 2112910090 |
11 | 994756695 |
12 | 4ab738a8a |
13 | 27898b175 |
14 | 16088ad74 |
15 | c576767a |
hex | 7df0730a |
2112910090 has 16 divisors (see below), whose sum is σ = 3925923840. Its totient is φ = 817900560.
The previous prime is 2112910003. The next prime is 2112910091. The reversal of 2112910090 is 900192112.
It is not an unprimeable number, because it can be changed into a prime (2112910091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3407610 + ... + 3408229.
It is an arithmetic number, because the mean of its divisors is an integer number (245370240).
Almost surely, 22112910090 is an apocalyptic number.
2112910090 is a deficient number, since it is larger than the sum of its proper divisors (1813013750).
2112910090 is a wasteful number, since it uses less digits than its factorization.
2112910090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6815877.
The product of its (nonzero) digits is 324, while the sum is 25.
The square root of 2112910090 is about 45966.4017517143. The cubic root of 2112910090 is about 1283.1979949856.
The spelling of 2112910090 in words is "two billion, one hundred twelve million, nine hundred ten thousand, ninety".
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