Base | Representation |
---|---|
bin | 1010001101000110100011… |
… | …0000110110000111111100 |
3 | 1110201122022212210010111102 |
4 | 2203101220300312013330 |
5 | 2432312443311242340 |
6 | 35510254435312232 |
7 | 2235430214123624 |
oct | 243215060660774 |
9 | 43648285703442 |
10 | 11220212212220 |
11 | 3636513313330 |
12 | 131267644b678 |
13 | 6350a508c8cb |
14 | 2ab0bdbbd884 |
15 | 146ce4317215 |
hex | a3468c361fc |
11220212212220 has 24 divisors (see below), whose sum is σ = 25704486159408. Its totient is φ = 4080077168000.
The previous prime is 11220212212217. The next prime is 11220212212247. The reversal of 11220212212220 is 2221221202211.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 11220212212192 and 11220212212201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25500482081 + ... + 25500482520.
It is an arithmetic number, because the mean of its divisors is an integer number (1071020256642).
Almost surely, 211220212212220 is an apocalyptic number.
11220212212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
11220212212220 is an abundant number, since it is smaller than the sum of its proper divisors (14484273947188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11220212212220 is a wasteful number, since it uses less digits than its factorization.
11220212212220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51000964621 (or 51000964619 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 20.
Adding to 11220212212220 its reverse (2221221202211), we get a palindrome (13441433414431).
The spelling of 11220212212220 in words is "eleven trillion, two hundred twenty billion, two hundred twelve million, two hundred twelve thousand, two hundred twenty".
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