Base | Representation |
---|---|
bin | 101111001111101110… |
… | …101101000000000000 |
3 | 11211221110000011122000 |
4 | 233033232231000000 |
5 | 1312343310020122 |
6 | 35145510544000 |
7 | 3444062622036 |
oct | 571756550000 |
9 | 154843004560 |
10 | 50729766912 |
11 | 1a5726a3800 |
12 | 99b9368000 |
13 | 4a26001c76 |
14 | 2653616556 |
15 | 14bd9970ac |
hex | bcfbad000 |
50729766912 has 624 divisors, whose sum is σ = 175698915840. Its totient is φ = 14403502080.
The previous prime is 50729766881. The next prime is 50729766977. The reversal of 50729766912 is 21966792705.
50729766912 is a `hidden beast` number, since 507 + 2 + 9 + 76 + 69 + 1 + 2 = 666.
It is a super-3 number, since 3×507297669123 (a number of 33 digits) contains 333 as substring.
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 47 ways as a sum of consecutive naturals, for example, 227487633 + ... + 227487855.
Almost surely, 250729766912 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 50729766912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87849457920).
50729766912 is an abundant number, since it is smaller than the sum of its proper divisors (124969148928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50729766912 is a wasteful number, since it uses less digits than its factorization.
50729766912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 295 (or 256 counting only the distinct ones).
The product of its (nonzero) digits is 2857680, while the sum is 54.
The spelling of 50729766912 in words is "fifty billion, seven hundred twenty-nine million, seven hundred sixty-six thousand, nine hundred twelve".
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