Search a number
-
+
50687074530 = 2325563189717
BaseRepresentation
bin101111001101001011…
…110110000011100010
311211211110200011200200
4233031023312003202
51312301342341110
635141343530030
73443034011331
oct571513660342
9154743604620
1050687074530
111a550594344
1299a6bb9916
134a1a204ac1
14264baa1d18
1514b9d626c0
hexbcd2f60e2

50687074530 has 24 divisors (see below), whose sum is σ = 131786394012. Its totient is φ = 13516553184.

The previous prime is 50687074513. The next prime is 50687074531. The reversal of 50687074530 is 3547078605.

50687074530 is a `hidden beast` number, since 50 + 68 + 7 + 0 + 7 + 4 + 530 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49479998481 + 1207076049 = 222441^2 + 34743^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (50687074531) 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 11 ways as a sum of consecutive naturals, for example, 281594769 + ... + 281594948.

Almost surely, 250687074530 is an apocalyptic number.

50687074530 is an abundant number, since it is smaller than the sum of its proper divisors (81099319482).

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

50687074530 is a wasteful number, since it uses less digits than its factorization.

50687074530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563189730 (or 563189727 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 50687074530 in words is "fifty billion, six hundred eighty-seven million, seventy-four thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 563189717 1126379434 1689569151 2815948585 3379138302 5068707453 5631897170 8447845755 10137414906 16895691510 25343537265 50687074530