Base | Representation |
---|---|
bin | 101110101011000110… |
… | …101000101110101001 |
3 | 11210100121202012101020 |
4 | 232223012220232221 |
5 | 1310114003041011 |
6 | 35004520243053 |
7 | 3422621612235 |
oct | 565306505651 |
9 | 153317665336 |
10 | 50115283881 |
11 | 1a287853593 |
12 | 9867610489 |
13 | 4958905140 |
14 | 25d5b7d5c5 |
15 | 1484a68006 |
hex | bab1a8ba9 |
50115283881 has 8 divisors (see below), whose sum is σ = 71960407680. Its totient is φ = 30840174672.
The previous prime is 50115283843. The next prime is 50115283903. The reversal of 50115283881 is 18838251105.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 50115283881 - 213 = 50115275689 is a prime.
It is a super-2 number, since 2×501152838812 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (50115233881) 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 7 ways as a sum of consecutive naturals, for example, 642503601 + ... + 642503678.
It is an arithmetic number, because the mean of its divisors is an integer number (8995050960).
Almost surely, 250115283881 is an apocalyptic number.
It is an amenable number.
50115283881 is a deficient number, since it is larger than the sum of its proper divisors (21845123799).
50115283881 is a wasteful number, since it uses less digits than its factorization.
50115283881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1285007295.
The product of its (nonzero) digits is 76800, while the sum is 42.
The spelling of 50115283881 in words is "fifty billion, one hundred fifteen million, two hundred eighty-three thousand, eight hundred eighty-one".
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