Base | Representation |
---|---|
bin | 111110111000101… |
… | …1100000100010100 |
3 | 12110001112210112001 |
4 | 1331301130010110 |
5 | 13310142041040 |
6 | 545215005044 |
7 | 103201441042 |
oct | 17561340424 |
9 | 5401483461 |
10 | 2110112020 |
11 | 993115435 |
12 | 4aa809784 |
13 | 27821b6c3 |
14 | 16035d392 |
15 | c53b359a |
hex | 7dc5c114 |
2110112020 has 36 divisors (see below), whose sum is σ = 4449207420. Its totient is φ = 840634368.
The previous prime is 2110112009. The next prime is 2110112021. The reversal of 2110112020 is 202110112.
It can be written as a sum of positive squares in 6 ways, for example, as 739187344 + 1370924676 = 27188^2 + 37026^2 .
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 2110111988 and 2110112006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2110112021) 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, 2270916 + ... + 2271844.
It is an arithmetic number, because the mean of its divisors is an integer number (123589095).
Almost surely, 22110112020 is an apocalyptic number.
2110112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2110112020 is an abundant number, since it is smaller than the sum of its proper divisors (2339095400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2110112020 is an equidigital number, since it uses as much as digits as its factorization.
2110112020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1612 (or 1273 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 2110112020 is about 45935.9556339040. The cubic root of 2110112020 is about 1282.6313099001.
Adding to 2110112020 its reverse (202110112), we get a palindrome (2312222132).
The spelling of 2110112020 in words is "two billion, one hundred ten million, one hundred twelve thousand, twenty".
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