Base | Representation |
---|---|
bin | 111110111100100… |
… | …1110010101000010 |
3 | 12110012101111002010 |
4 | 1331321032111002 |
5 | 13311202343043 |
6 | 545330433350 |
7 | 103225001112 |
oct | 17571162502 |
9 | 5405344063 |
10 | 2112152898 |
11 | 994289809 |
12 | 4ab432856 |
13 | 27878461b |
14 | 160731042 |
15 | c5668133 |
hex | 7de4e542 |
2112152898 has 16 divisors (see below), whose sum is σ = 4446637920. Its totient is φ = 666995616.
The previous prime is 2112152857. The next prime is 2112152899. The reversal of 2112152898 is 8982512112.
It is a super-2 number, since 2×21121528982 = 8922379729059596808, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2112152899) 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, 9263715 + ... + 9263942.
It is an arithmetic number, because the mean of its divisors is an integer number (277914870).
Almost surely, 22112152898 is an apocalyptic number.
2112152898 is an abundant number, since it is smaller than the sum of its proper divisors (2334485022).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112152898 is a wasteful number, since it uses less digits than its factorization.
2112152898 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18527681.
The product of its digits is 23040, while the sum is 39.
The square root of 2112152898 is about 45958.1646500380. The cubic root of 2112152898 is about 1283.0446924623.
The spelling of 2112152898 in words is "two billion, one hundred twelve million, one hundred fifty-two thousand, eight hundred ninety-eight".
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