Base | Representation |
---|---|
bin | 101111011001000110… |
… | …011011100111000001 |
3 | 11212100101211112022001 |
4 | 233121012123213001 |
5 | 1313204031411311 |
6 | 35213244344001 |
7 | 3451012132225 |
oct | 573106334701 |
9 | 155311745261 |
10 | 50886982081 |
11 | 1a6434138a1 |
12 | 9a41b45001 |
13 | 4a4c758cb0 |
14 | 266a45c785 |
15 | 14cc69e4c1 |
hex | bd919b9c1 |
50886982081 has 32 divisors (see below), whose sum is σ = 57576759296. Its totient is φ = 44649792000.
The previous prime is 50886982067. The next prime is 50886982087. The reversal of 50886982081 is 18028968805.
It is a 3-Lehmer number, since φ(50886982081) divides (50886982081-1)3.
It is a cyclic number.
It is a Carmichael number.
It is not a de Polignac number, because 50886982081 - 27 = 50886981953 is a prime.
It is a super-3 number, since 3×508869820813 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a deceptive number, since it divides R50886982080.
It is not an unprimeable number, because it can be changed into a prime (50886982087) 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 31 ways as a sum of consecutive naturals, for example, 32473360 + ... + 32474926.
It is an arithmetic number, because the mean of its divisors is an integer number (1799273728).
It is a Poulet number, since it divides 250886982080-1.
Almost surely, 250886982081 is an apocalyptic number.
50886982081 is the 130240-th hex number.
It is an amenable number.
50886982081 is a deficient number, since it is larger than the sum of its proper divisors (6689777215).
50886982081 is a wasteful number, since it uses less digits than its factorization.
50886982081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2993.
The product of its (nonzero) digits is 2211840, while the sum is 55.
The spelling of 50886982081 in words is "fifty billion, eight hundred eighty-six million, nine hundred eighty-two thousand, eighty-one".
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