Base | Representation |
---|---|
bin | 100000010011101110111… |
… | …101000100011100010000 |
3 | 21212020202101210011110122 |
4 | 200103232331010130100 |
5 | 242333443300023440 |
6 | 4415541254445412 |
7 | 316255632364523 |
oct | 40235675043420 |
9 | 7766671704418 |
10 | 2220212111120 |
11 | 78664a946253 |
12 | 2ba360663868 |
13 | 131499195bc3 |
14 | 7965d0acbba |
15 | 3cb45b1a7b5 |
hex | 204eef44710 |
2220212111120 has 80 divisors (see below), whose sum is σ = 5338700539392. Its totient is φ = 857793162240.
The previous prime is 2220212111113. The next prime is 2220212111137. The reversal of 2220212111120 is 211112120222.
It is a tau number, because it is divible by the number of its divisors (80).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441164 + ... + 2152916.
Almost surely, 22220212111120 is an apocalyptic number.
2220212111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2220212111120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2669350269696).
2220212111120 is an abundant number, since it is smaller than the sum of its proper divisors (3118488428272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220212111120 is a wasteful number, since it uses less digits than its factorization.
2220212111120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1712320 (or 1712314 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 2220212111120 its reverse (211112120222), we get a palindrome (2431324231342).
It can be divided in two parts, 2220212 and 111120, that added together give a palindrome (2331332).
The spelling of 2220212111120 in words is "two trillion, two hundred twenty billion, two hundred twelve million, one hundred eleven thousand, one hundred twenty".
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