Base | Representation |
---|---|
bin | 111111011110101… |
… | …1000011100010000 |
3 | 12111110000020021210 |
4 | 1332331120130100 |
5 | 13330241120422 |
6 | 551205420120 |
7 | 103532605113 |
oct | 17675303420 |
9 | 5443006253 |
10 | 2130020112 |
11 | 9a3382700 |
12 | 4b540a640 |
13 | 27c39c03c |
14 | 162c6257a |
15 | c6ee710c |
hex | 7ef58710 |
2130020112 has 120 divisors (see below), whose sum is σ = 6076048608. Its totient is φ = 642498560.
The previous prime is 2130020059. The next prime is 2130020147. The reversal of 2130020112 is 2110200312.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 1491943 + ... + 1493369.
Almost surely, 22130020112 is an apocalyptic number.
2130020112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2130020112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3038024304).
2130020112 is an abundant number, since it is smaller than the sum of its proper divisors (3946028496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130020112 is a wasteful number, since it uses less digits than its factorization.
2130020112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1717 (or 1700 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 2130020112 is about 46152.1409254219. The cubic root of 2130020112 is about 1286.6524008310.
Adding to 2130020112 its reverse (2110200312), we get a palindrome (4240220424).
The spelling of 2130020112 in words is "two billion, one hundred thirty million, twenty thousand, one hundred twelve".
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