Base | Representation |
---|---|
bin | 1100111000000100100… |
… | …1100100110101011101 |
3 | 210010222111211120011201 |
4 | 3032001021210311131 |
5 | 12111014241300013 |
6 | 245342244115501 |
7 | 21660535565245 |
oct | 3160111446535 |
9 | 703874746151 |
10 | 221210103133 |
11 | 858a6377658 |
12 | 36a56995b91 |
13 | 17b24617a66 |
14 | a9c6da6b25 |
15 | 5b4a5743dd |
hex | 3381264d5d |
221210103133 has 16 divisors (see below), whose sum is σ = 248146513920. Its totient is φ = 196190801136.
The previous prime is 221210103131. The next prime is 221210103151. The reversal of 221210103133 is 331301012122.
It is not a de Polignac number, because 221210103133 - 21 = 221210103131 is a prime.
It is a super-2 number, since 2×2212101031332 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 221210103133.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221210103131) 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, 5364585 + ... + 5405662.
It is an arithmetic number, because the mean of its divisors is an integer number (15509157120).
Almost surely, 2221210103133 is an apocalyptic number.
221210103133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
221210103133 is a deficient number, since it is larger than the sum of its proper divisors (26936410787).
221210103133 is a wasteful number, since it uses less digits than its factorization.
221210103133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10770336.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 221210103133 its reverse (331301012122), we get a palindrome (552511115255).
The spelling of 221210103133 in words is "two hundred twenty-one billion, two hundred ten million, one hundred three thousand, one hundred thirty-three".
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