Base | Representation |
---|---|
bin | 111101001010001… |
… | …0100000000111100 |
3 | 12022000110210000020 |
4 | 1322110110000330 |
5 | 13200322121322 |
6 | 535344332140 |
7 | 101565642435 |
oct | 17224240074 |
9 | 5260423006 |
10 | 2052145212 |
11 | 963423087 |
12 | 493314050 |
13 | 269204010 |
14 | 15679048c |
15 | c026305c |
hex | 7a51403c |
2052145212 has 96 divisors (see below), whose sum is σ = 5351270400. Its totient is φ = 607740672.
The previous prime is 2052145187. The next prime is 2052145219. The reversal of 2052145212 is 2125412502.
It is a super-2 number, since 2×20521452122 = 8422599942269049888, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2052145219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2166523 + ... + 2167469.
It is an arithmetic number, because the mean of its divisors is an integer number (55742400).
Almost surely, 22052145212 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2052145212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2675635200).
2052145212 is an abundant number, since it is smaller than the sum of its proper divisors (3299125188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2052145212 is a wasteful number, since it uses less digits than its factorization.
2052145212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1475 (or 1473 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 24.
The square root of 2052145212 is about 45300.6093998745. The cubic root of 2052145212 is about 1270.7770498333. Note that the first 3 decimals are identical.
Adding to 2052145212 its reverse (2125412502), we get a palindrome (4177557714).
The spelling of 2052145212 in words is "two billion, fifty-two million, one hundred forty-five thousand, two hundred twelve".
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