Base | Representation |
---|---|
bin | 101111001101001011… |
… | …110110000011100010 |
3 | 11211211110200011200200 |
4 | 233031023312003202 |
5 | 1312301342341110 |
6 | 35141343530030 |
7 | 3443034011331 |
oct | 571513660342 |
9 | 154743604620 |
10 | 50687074530 |
11 | 1a550594344 |
12 | 99a6bb9916 |
13 | 4a1a204ac1 |
14 | 264baa1d18 |
15 | 14b9d626c0 |
hex | bcd2f60e2 |
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".
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