Search a number
-
+
50520251680 = 255315751573
BaseRepresentation
bin101111000011001111…
…011101110100100000
311211101211202200202121
4233003033131310200
51311431141023210
635113024154024
73435640024333
oct570317356440
9154354680677
1050520251680
111a475401918
12995b168914
1349c1795962
14263387861a
1514aa3ad6da
hexbc33ddd20

50520251680 has 24 divisors (see below), whose sum is σ = 119354094972. Its totient is φ = 20208100608.

The previous prime is 50520251671. The next prime is 50520251681. The reversal of 50520251680 is 8615202505.

It can be written as a sum of positive squares in 2 ways, for example, as 47285372304 + 3234879376 = 217452^2 + 56876^2 .

It is not an unprimeable number, because it can be changed into a prime (50520251681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157875627 + ... + 157875946.

Almost surely, 250520251680 is an apocalyptic number.

It is an amenable number.

50520251680 is an abundant number, since it is smaller than the sum of its proper divisors (68833843292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50520251680 is a wasteful number, since it uses less digits than its factorization.

50520251680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315751588 (or 315751580 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 50520251680 in words is "fifty billion, five hundred twenty million, two hundred fifty-one thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 315751573 631503146 1263006292 1578757865 2526012584 3157515730 5052025168 6315031460 10104050336 12630062920 25260125840 50520251680