Base | Representation |
---|---|
bin | 1000001001100101011… |
… | …10111000001111011100 |
3 | 222202210100121022021012 |
4 | 10010302232320033130 |
5 | 14041442122232103 |
6 | 332350302354352 |
7 | 26142153634340 |
oct | 4046256701734 |
9 | 882710538235 |
10 | 280024024028 |
11 | a8837296951 |
12 | 4632b58b9b8 |
13 | 20538415b98 |
14 | d7a6111620 |
15 | 743dadb2d8 |
hex | 4132bb83dc |
280024024028 has 24 divisors (see below), whose sum is σ = 562493685600. Its totient is φ = 119486230848.
The previous prime is 280024024009. The next prime is 280024024057. The reversal of 280024024028 is 820420420082.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 280024023985 and 280024024003.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21829523 + ... + 21842346.
It is an arithmetic number, because the mean of its divisors is an integer number (23437236900).
Almost surely, 2280024024028 is an apocalyptic number.
280024024028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
280024024028 is an abundant number, since it is smaller than the sum of its proper divisors (282469661572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
280024024028 is a wasteful number, since it uses less digits than its factorization.
280024024028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43672109 (or 43672107 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 32.
The spelling of 280024024028 in words is "two hundred eighty billion, twenty-four million, twenty-four thousand, twenty-eight".
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