Base | Representation |
---|---|
bin | 1110111101010000… |
… | …0111111100000100 |
3 | 101100210222122202120 |
4 | 3233110013330010 |
5 | 31210321430040 |
6 | 1502224005540 |
7 | 201332122611 |
oct | 35724077404 |
9 | 11323878676 |
10 | 4015030020 |
11 | 178041a531 |
12 | 9407608b0 |
13 | 4bca84911 |
14 | 2a1347508 |
15 | 1877437d0 |
hex | ef507f04 |
4015030020 has 24 divisors (see below), whose sum is σ = 11242084224. Its totient is φ = 1070674656.
The previous prime is 4015029989. The next prime is 4015030027. The reversal of 4015030020 is 200305104.
It is a super-2 number, since 2×40150300202 = 32240932123002400800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is not an unprimeable number, because it can be changed into a prime (4015030027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33458524 + ... + 33458643.
It is an arithmetic number, because the mean of its divisors is an integer number (468420176).
Almost surely, 24015030020 is an apocalyptic number.
It is an amenable number.
4015030020 is an abundant number, since it is smaller than the sum of its proper divisors (7227054204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4015030020 is a wasteful number, since it uses less digits than its factorization.
4015030020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66917179 (or 66917177 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 4015030020 is about 63364.2645345150. The cubic root of 4015030020 is about 1589.3867893649.
Adding to 4015030020 its reverse (200305104), we get a palindrome (4215335124).
The spelling of 4015030020 in words is "four billion, fifteen million, thirty thousand, twenty".
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