Base | Representation |
---|---|
bin | 101111001101010100… |
… | …101011100010100000 |
3 | 11211211122000211221200 |
4 | 233031110223202200 |
5 | 1312302441001002 |
6 | 35141505321200 |
7 | 3443062466220 |
oct | 571524534240 |
9 | 154748024850 |
10 | 50689390752 |
11 | 1a551926580 |
12 | 99a7936200 |
13 | 4a1a836150 |
14 | 264c106080 |
15 | 14ba16db1c |
hex | bcd52b8a0 |
50689390752 has 288 divisors, whose sum is σ = 193542410880. Its totient is φ = 12153231360.
The previous prime is 50689390699. The next prime is 50689390753. The reversal of 50689390752 is 25709398605.
50689390752 is a `hidden beast` number, since 506 + 89 + 3 + 9 + 0 + 7 + 52 = 666.
It is a tau number, because it is divible by the number of its divisors (288).
It is not an unprimeable number, because it can be changed into a prime (50689390753) by changing a digit.
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, 200374 + ... + 376202.
It is an arithmetic number, because the mean of its divisors is an integer number (672022260).
Almost surely, 250689390752 is an apocalyptic number.
50689390752 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 50689390752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96771205440).
50689390752 is an abundant number, since it is smaller than the sum of its proper divisors (142853020128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50689390752 is a wasteful number, since it uses less digits than its factorization.
50689390752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 175876 (or 175865 counting only the distinct ones).
The product of its (nonzero) digits is 4082400, while the sum is 54.
The spelling of 50689390752 in words is "fifty billion, six hundred eighty-nine million, three hundred ninety thousand, seven hundred fifty-two".
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