Base | Representation |
---|---|
bin | 101111010010000001… |
… | …010110111101000100 |
3 | 11212001010100101002000 |
4 | 233102001112331010 |
5 | 1312433130234110 |
6 | 35153402545300 |
7 | 3445040452146 |
oct | 572201267504 |
9 | 155033311060 |
10 | 50768211780 |
11 | 1a592371a20 |
12 | 9a0a208230 |
13 | 4a30c72a00 |
14 | 2658782c96 |
15 | 14c203d1c0 |
hex | bd2056f44 |
50768211780 has 576 divisors, whose sum is σ = 188773079040. Its totient is φ = 11227507200.
The previous prime is 50768211757. The next prime is 50768211839. The reversal of 50768211780 is 8711286705.
It is a happy number.
50768211780 is a `hidden beast` number, since 507 + 68 + 2 + 1 + 1 + 7 + 80 = 666.
It is a super-2 number, since 2×507682117802 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
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 191 ways as a sum of consecutive naturals, for example, 103397335 + ... + 103397825.
It is an arithmetic number, because the mean of its divisors is an integer number (327731040).
Almost surely, 250768211780 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 50768211780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94386539520).
50768211780 is an abundant number, since it is smaller than the sum of its proper divisors (138004867260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50768211780 is a wasteful number, since it uses less digits than its factorization.
50768211780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 649 (or 628 counting only the distinct ones).
The product of its (nonzero) digits is 188160, while the sum is 45.
The spelling of 50768211780 in words is "fifty billion, seven hundred sixty-eight million, two hundred eleven thousand, seven hundred eighty".
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