Base | Representation |
---|---|
bin | 110010010001101110000011… |
… | …000011011100111010000100 |
3 | 1001222220212100222201121210002 |
4 | 302101232003003130322010 |
5 | 212440312230001120400 |
6 | 2102141043051020432 |
7 | 64401251506413446 |
oct | 6221560303347204 |
9 | 1058825328647702 |
10 | 221120000020100 |
11 | 64501513474505 |
12 | 2097265473a718 |
13 | 964c6aca319ac |
14 | 3c8639d638496 |
15 | 1a86c8a647ed5 |
hex | c91b830dce84 |
221120000020100 has 288 divisors, whose sum is σ = 527753709100800. Its totient is φ = 80090702899200.
The previous prime is 221120000020097. The next prime is 221120000020123. The reversal of 221120000020100 is 1020000021122.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24954289670 + ... + 24954298530.
It is an arithmetic number, because the mean of its divisors is an integer number (1832478156600).
Almost surely, 2221120000020100 is an apocalyptic number.
221120000020100 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 221120000020100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263876854550400).
221120000020100 is an abundant number, since it is smaller than the sum of its proper divisors (306633709080700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
221120000020100 is a wasteful number, since it uses less digits than its factorization.
221120000020100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13423 (or 13416 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 221120000020100 its reverse (1020000021122), we get a palindrome (222140000041222).
The spelling of 221120000020100 in words is "two hundred twenty-one trillion, one hundred twenty billion, twenty thousand, one hundred".
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