Base | Representation |
---|---|
bin | 11010001100101010010… |
… | …10111100101101110100 |
3 | 10012001110001121120001200 |
4 | 31012111022330231310 |
5 | 104222002103341210 |
6 | 1525305032252500 |
7 | 122014401616554 |
oct | 15062512745564 |
9 | 3161401546050 |
10 | 900150840180 |
11 | 31782a7562a9 |
12 | 126556841130 |
13 | 66b64ac0557 |
14 | 317d344d164 |
15 | 186358c50c0 |
hex | d1952bcb74 |
900150840180 has 36 divisors (see below), whose sum is σ = 2730457549092. Its totient is φ = 240040224000.
The previous prime is 900150840179. The next prime is 900150840203. The reversal of 900150840180 is 81048051009.
It can be written as a sum of positive squares in 2 ways, for example, as 510490244196 + 389660595984 = 714486^2 + 624228^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 2500418821 + ... + 2500419180.
Almost surely, 2900150840180 is an apocalyptic number.
900150840180 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is an amenable number.
900150840180 is an abundant number, since it is smaller than the sum of its proper divisors (1830306708912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
900150840180 is a wasteful number, since it uses less digits than its factorization.
900150840180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5000838016 (or 5000838011 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 36.
Adding to 900150840180 its reverse (81048051009), we get a palindrome (981198891189).
The spelling of 900150840180 in words is "nine hundred billion, one hundred fifty million, eight hundred forty thousand, one hundred eighty".
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