Base | Representation |
---|---|
bin | 101000000001110101… |
… | …110111001011010100 |
3 | 11002221101112011122000 |
4 | 220001311313023110 |
5 | 1201011011213222 |
6 | 31424530435300 |
7 | 3051045546465 |
oct | 500165671324 |
9 | 132841464560 |
10 | 42980569812 |
11 | 17256458284 |
12 | 83b6132b30 |
13 | 408c722b3b |
14 | 211a396d6c |
15 | 11b84dd9ac |
hex | a01d772d4 |
42980569812 has 48 divisors (see below), whose sum is σ = 111470990400. Its totient is φ = 14321728800.
The previous prime is 42980569781. The next prime is 42980569831. The reversal of 42980569812 is 21896508924.
It is a happy number.
42980569812 is a `hidden beast` number, since 429 + 80 + 5 + 69 + 81 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 238114 + ... + 377702.
It is an arithmetic number, because the mean of its divisors is an integer number (2322312300).
Almost surely, 242980569812 is an apocalyptic number.
It is an amenable number.
42980569812 is an abundant number, since it is smaller than the sum of its proper divisors (68490420588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42980569812 is a wasteful number, since it uses less digits than its factorization.
42980569812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142453 (or 142445 counting only the distinct ones).
The product of its (nonzero) digits is 2488320, while the sum is 54.
The spelling of 42980569812 in words is "forty-two billion, nine hundred eighty million, five hundred sixty-nine thousand, eight hundred twelve".
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