Base | Representation |
---|---|
bin | 1001010111000000… |
… | …1000000010011100 |
3 | 20111002120012201101 |
4 | 2111300020002130 |
5 | 20121134433040 |
6 | 1053145522444 |
7 | 116155140424 |
oct | 22560100234 |
9 | 6432505641 |
10 | 2512421020 |
11 | 107a21810a |
12 | 5a14a3424 |
13 | 31068ac75 |
14 | 19b965484 |
15 | ea88109a |
hex | 95c0809c |
2512421020 has 24 divisors (see below), whose sum is σ = 5291045424. Its totient is φ = 1002118656.
The previous prime is 2512420993. The next prime is 2512421029. The reversal of 2512421020 is 201242152.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2512421029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170874 + ... + 184993.
It is an arithmetic number, because the mean of its divisors is an integer number (220460226).
Almost surely, 22512421020 is an apocalyptic number.
2512421020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2512421020 is an abundant number, since it is smaller than the sum of its proper divisors (2778624404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2512421020 is a wasteful number, since it uses less digits than its factorization.
2512421020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 356229 (or 356227 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 19.
The square root of 2512421020 is about 50124.0563003435. The cubic root of 2512421020 is about 1359.4528183716.
Adding to 2512421020 its reverse (201242152), we get a palindrome (2713663172).
The spelling of 2512421020 in words is "two billion, five hundred twelve million, four hundred twenty-one thousand, twenty".
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