Base | Representation |
---|---|
bin | 111110111100010… |
… | …1001000000010010 |
3 | 12110012002201100220 |
4 | 1331320221000102 |
5 | 13311133000033 |
6 | 545323253510 |
7 | 103223463312 |
oct | 17570510022 |
9 | 5405081326 |
10 | 2112000018 |
11 | 994194967 |
12 | 4ab37a296 |
13 | 27872cb6b |
14 | 1606d1442 |
15 | c5637bb3 |
hex | 7de29012 |
2112000018 has 32 divisors (see below), whose sum is σ = 4247273472. Its totient is φ = 700131600.
The previous prime is 2112000017. The next prime is 2112000019. The reversal of 2112000018 is 8100002112.
It is an interprime number because it is at equal distance from previous prime (2112000017) and next prime (2112000019).
It is a junction number, because it is equal to n+sod(n) for n = 2111999970 and 2112000006.
It is not an unprimeable number, because it can be changed into a prime (2112000017) 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, 1435023 + ... + 1436493.
It is an arithmetic number, because the mean of its divisors is an integer number (132727296).
Almost surely, 22112000018 is an apocalyptic number.
2112000018 is an abundant number, since it is smaller than the sum of its proper divisors (2135273454).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112000018 is a wasteful number, since it uses less digits than its factorization.
2112000018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2630.
The product of its (nonzero) digits is 32, while the sum is 15.
The square root of 2112000018 is about 45956.5013681416. The cubic root of 2112000018 is about 1283.0137356433.
The spelling of 2112000018 in words is "two billion, one hundred twelve million, eighteen", and thus it is an aban number.
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