Base | Representation |
---|---|
bin | 111100001001001… |
… | …1110010011000100 |
3 | 12012122102112120102 |
4 | 1320102132103010 |
5 | 13113113433422 |
6 | 532131023232 |
7 | 101003432402 |
oct | 17022362304 |
9 | 5178375512 |
10 | 2018108612 |
11 | 946195963 |
12 | 483a3ab18 |
13 | 262147910 |
14 | 152050472 |
15 | bc28d192 |
hex | 7849e4c4 |
2018108612 has 36 divisors (see below), whose sum is σ = 3909068100. Its totient is φ = 906228864.
The previous prime is 2018108611. The next prime is 2018108621. The reversal of 2018108612 is 2168018102.
It can be written as a sum of positive squares in 6 ways, for example, as 2637376 + 2015471236 = 1624^2 + 44894^2 .
It is not an unprimeable number, because it can be changed into a prime (2018108611) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57014 + ... + 85362.
It is an arithmetic number, because the mean of its divisors is an integer number (108585225).
Almost surely, 22018108612 is an apocalyptic number.
It is an amenable number.
2018108612 is a deficient number, since it is larger than the sum of its proper divisors (1890959488).
2018108612 is a wasteful number, since it uses less digits than its factorization.
2018108612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28440 (or 28401 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 29.
The square root of 2018108612 is about 44923.3637654172. The cubic root of 2018108612 is about 1263.7122009734.
The spelling of 2018108612 in words is "two billion, eighteen million, one hundred eight thousand, six hundred twelve".
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