Base | Representation |
---|---|
bin | 1000001001101000011… |
… | …10000111011100111100 |
3 | 222202212002120201011021 |
4 | 10010310032013130330 |
5 | 14042020020140022 |
6 | 332352553433524 |
7 | 26142606065431 |
oct | 4046416073474 |
9 | 882762521137 |
10 | 280048990012 |
11 | a884a3991a0 |
12 | 46337a0b8a4 |
13 | 2054064775c |
14 | d7a956db88 |
15 | 7440dbd7c7 |
hex | 413438773c |
280048990012 has 48 divisors (see below), whose sum is σ = 565741822464. Its totient is φ = 120045464000.
The previous prime is 280048990007. The next prime is 280048990021. The reversal of 280048990012 is 210099840082.
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, 1876939 + ... + 2020642.
It is an arithmetic number, because the mean of its divisors is an integer number (11786287968).
Almost surely, 2280048990012 is an apocalyptic number.
280048990012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
280048990012 is an abundant number, since it is smaller than the sum of its proper divisors (285692832452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
280048990012 is a wasteful number, since it uses less digits than its factorization.
280048990012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3897690 (or 3897688 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 43.
The spelling of 280048990012 in words is "two hundred eighty billion, forty-eight million, nine hundred ninety thousand, twelve".
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