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4121101220 = 225206055061
BaseRepresentation
bin1111010110100011…
…0000001110100100
3101122012120122002112
43311220300032210
531420000214340
61520533300152
7204060532235
oct36550601644
911565518075
104121101220
111825288385
12970194658
13508a42942
142b147908c
15191be7065
hexf5a303a4

4121101220 has 12 divisors (see below), whose sum is σ = 8654312604. Its totient is φ = 1648440480.

The previous prime is 4121101217. The next prime is 4121101241. The reversal of 4121101220 is 221011214.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 818989924 + 3302111296 = 28618^2 + 57464^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4121101195 and 4121101204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103027511 + ... + 103027550.

It is an arithmetic number, because the mean of its divisors is an integer number (721192717).

Almost surely, 24121101220 is an apocalyptic number.

It is an amenable number.

4121101220 is an abundant number, since it is smaller than the sum of its proper divisors (4533211384).

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

4121101220 is a wasteful number, since it uses less digits than its factorization.

4121101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206055070 (or 206055068 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 4121101220 is about 64195.8037569435. The cubic root of 4121101220 is about 1603.2617341838.

Adding to 4121101220 its reverse (221011214), we get a palindrome (4342112434).

The spelling of 4121101220 in words is "four billion, one hundred twenty-one million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 206055061 412110122 824220244 1030275305 2060550610 4121101220