Base | Representation |
---|---|
bin | 111100001011000… |
… | …0010111100000101 |
3 | 12012201012010020002 |
4 | 1320112002330011 |
5 | 13113333421000 |
6 | 532203051045 |
7 | 101014412636 |
oct | 17026027405 |
9 | 5181163202 |
10 | 2019045125 |
11 | 946775539 |
12 | 484210a85 |
13 | 2623b4c76 |
14 | 15221588d |
15 | bc3c58d5 |
hex | 78582f05 |
2019045125 has 12 divisors (see below), whose sum is σ = 2520395436. Its totient is φ = 1614834200.
The previous prime is 2019045109. The next prime is 2019045131. The reversal of 2019045125 is 5215409102.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 64609444 + 1954435681 = 8038^2 + 44209^2 .
It is not a de Polignac number, because 2019045125 - 24 = 2019045109 is a prime.
It is a super-3 number, since 3×20190451253 (a number of 29 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 500366 + ... + 504384.
It is an arithmetic number, because the mean of its divisors is an integer number (210032953).
Almost surely, 22019045125 is an apocalyptic number.
2019045125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2019045125 is a deficient number, since it is larger than the sum of its proper divisors (501350311).
2019045125 is an frugal number, since it uses more digits than its factorization.
2019045125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8053 (or 4024 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 29.
The square root of 2019045125 is about 44933.7860078583. The cubic root of 2019045125 is about 1263.9076479838.
The spelling of 2019045125 in words is "two billion, nineteen million, forty-five thousand, one hundred twenty-five".
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