Base | Representation |
---|---|
bin | 1000011101100000… |
… | …10101101011010100 |
3 | 102201120112221000020 |
4 | 10032300111223110 |
5 | 33300341120040 |
6 | 2030425545140 |
7 | 220365532413 |
oct | 41660255324 |
9 | 12646487006 |
10 | 4542520020 |
11 | 1a21152585 |
12 | a693451b0 |
13 | 57514338c |
14 | 31141747a |
15 | 1b8bdbcd0 |
hex | 10ec15ad4 |
4542520020 has 48 divisors (see below), whose sum is σ = 13467238848. Its totient is φ = 1140083200.
The previous prime is 4542520013. The next prime is 4542520051. The reversal of 4542520020 is 200252454.
It is a happy number.
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, 2225706 + ... + 2227745.
It is an arithmetic number, because the mean of its divisors is an integer number (280567476).
Almost surely, 24542520020 is an apocalyptic number.
It is an amenable number.
4542520020 is an abundant number, since it is smaller than the sum of its proper divisors (8924718828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4542520020 is a wasteful number, since it uses less digits than its factorization.
4542520020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4453480 (or 4453478 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 24.
The square root of 4542520020 is about 67398.2197094256. The cubic root of 4542520020 is about 1656.1472584280.
Adding to 4542520020 its reverse (200252454), we get a palindrome (4742772474).
The spelling of 4542520020 in words is "four billion, five hundred forty-two million, five hundred twenty thousand, twenty".
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