Search a number
-
+
220212220211200 = 212527773397433
BaseRepresentation
bin110010000100100000100111…
…001010010011000000000000
31001212201002020020212022001101
4302010200213022103000000
5212330424111333224300
62100204033011144144
764245544050353350
oct6204404712230000
91055632206768041
10220212220211200
1164191529430088
122084672aba5054
1395b4c00539189
143c54484d04b60
151a6d35a117b6a
hexc84827293000

220212220211200 has 312 divisors, whose sum is σ = 624877065317088. Its totient is φ = 75403469783040.

The previous prime is 220212220211183. The next prime is 220212220211239. The reversal of 220212220211200 is 2112022212022.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 553887684 + ... + 554285116.

Almost surely, 2220212220211200 is an apocalyptic number.

220212220211200 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 220212220211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312438532658544).

220212220211200 is an abundant number, since it is smaller than the sum of its proper divisors (404664845105888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220212220211200 is an equidigital number, since it uses as much as digits as its factorization.

220212220211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398247 (or 398220 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220212220211200 its reverse (2112022212022), we get a palindrome (222324242423222).

The spelling of 220212220211200 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred twenty million, two hundred eleven thousand, two hundred".