Base | Representation |
---|---|
bin | 111011111101101… |
… | …0010100110111100 |
3 | 12012012222210020020 |
4 | 1313323102212330 |
5 | 13110040001140 |
6 | 531352452140 |
7 | 100600661550 |
oct | 16773224674 |
9 | 5165883206 |
10 | 2012031420 |
11 | 942814a93 |
12 | 4819aa050 |
13 | 260aca749 |
14 | 15130b860 |
15 | bb98c6d0 |
hex | 77ed29bc |
2012031420 has 48 divisors (see below), whose sum is σ = 6438501888. Its totient is φ = 459892800.
The previous prime is 2012031401. The next prime is 2012031443. The reversal of 2012031420 is 241302102.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 2012031420.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2394856 + ... + 2395695.
It is an arithmetic number, because the mean of its divisors is an integer number (134135456).
Almost surely, 22012031420 is an apocalyptic number.
2012031420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2012031420 is an abundant number, since it is smaller than the sum of its proper divisors (4426470468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2012031420 is a wasteful number, since it uses less digits than its factorization.
2012031420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4790570 (or 4790568 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 2012031420 is about 44855.6732197835. The cubic root of 2012031420 is about 1262.4424405350.
Adding to 2012031420 its reverse (241302102), we get a palindrome (2253333522).
The spelling of 2012031420 in words is "two billion, twelve million, thirty-one thousand, four hundred twenty".
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