Base | Representation |
---|---|
bin | 101110101101010000… |
… | …111010001000100010 |
3 | 11210110010221202010200 |
4 | 232231100322020202 |
5 | 1310202242443132 |
6 | 35012253210030 |
7 | 3423541660134 |
oct | 565520721042 |
9 | 153403852120 |
10 | 50151531042 |
11 | 1a2a6260618 |
12 | 9877790916 |
13 | 4963286772 |
14 | 25da8d7054 |
15 | 1487d27d7c |
hex | bad43a222 |
50151531042 has 24 divisors (see below), whose sum is σ = 109261998300. Its totient is φ = 16624815840.
The previous prime is 50151531041. The next prime is 50151531077. The reversal of 50151531042 is 24013515105.
50151531042 is a `hidden beast` number, since 501 + 5 + 1 + 53 + 104 + 2 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 39724874721 + 10426656321 = 199311^2 + 102111^2 .
It is a junction number, because it is equal to n+sod(n) for n = 50151530997 and 50151531015.
It is not an unprimeable number, because it can be changed into a prime (50151531041) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7693417 + ... + 7699932.
Almost surely, 250151531042 is an apocalyptic number.
50151531042 is an abundant number, since it is smaller than the sum of its proper divisors (59110467258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50151531042 is a wasteful number, since it uses less digits than its factorization.
50151531042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15393538 (or 15393535 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 27.
The spelling of 50151531042 in words is "fifty billion, one hundred fifty-one million, five hundred thirty-one thousand, forty-two".
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