Base | Representation |
---|---|
bin | 10110110101010111010100… |
… | …11001011010100010110111 |
3 | 20120210020012121010212111201 |
4 | 23122223222121122202313 |
5 | 23040133340124033421 |
6 | 254443042001113331 |
7 | 13401463436514523 |
oct | 1332535231324267 |
9 | 216706177125451 |
10 | 50212100221111 |
11 | 14aa9917603524 |
12 | 576b536928847 |
13 | 2202c99896caa |
14 | c583c8754d83 |
15 | 5c11ea54eb91 |
hex | 2daaea65a8b7 |
50212100221111 has 16 divisors (see below), whose sum is σ = 53245643888736. Its totient is φ = 47187461154816.
The previous prime is 50212100221091. The next prime is 50212100221117. The reversal of 50212100221111 is 11112200121205.
It is a cyclic number.
It is not a de Polignac number, because 50212100221111 - 25 = 50212100221079 is a prime.
It is a super-4 number, since 4×502121002211114 (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50212100221117) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57592045 + ... + 58457401.
It is an arithmetic number, because the mean of its divisors is an integer number (3327852743046).
Almost surely, 250212100221111 is an apocalyptic number.
50212100221111 is a deficient number, since it is larger than the sum of its proper divisors (3033543667625).
50212100221111 is a wasteful number, since it uses less digits than its factorization.
50212100221111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 870498.
The product of its (nonzero) digits is 80, while the sum is 19.
Adding to 50212100221111 its reverse (11112200121205), we get a palindrome (61324300342316).
The spelling of 50212100221111 in words is "fifty trillion, two hundred twelve billion, one hundred million, two hundred twenty-one thousand, one hundred eleven".
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