Base | Representation |
---|---|
bin | 111110111110100… |
… | …1110010001000110 |
3 | 12110021100202002221 |
4 | 1331331032101012 |
5 | 13311434414342 |
6 | 545405122554 |
7 | 103236625336 |
oct | 17575162106 |
9 | 5407322087 |
10 | 2113201222 |
11 | 9949353a0 |
12 | 4ab85945a |
13 | 278a60832 |
14 | 1609250c6 |
15 | c57c3a67 |
hex | 7df4e446 |
2113201222 has 16 divisors (see below), whose sum is σ = 3608312832. Its totient is φ = 918782920.
The previous prime is 2113201219. The next prime is 2113201231. The reversal of 2113201222 is 2221023112.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 2113201196 and 2113201205.
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, 2087638 + ... + 2088649.
It is an arithmetic number, because the mean of its divisors is an integer number (225519552).
Almost surely, 22113201222 is an apocalyptic number.
2113201222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
2113201222 is a deficient number, since it is larger than the sum of its proper divisors (1495111610).
2113201222 is a wasteful number, since it uses less digits than its factorization.
2113201222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4176323.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 2113201222 is about 45969.5684339107. The cubic root of 2113201222 is about 1283.2569283723.
Adding to 2113201222 its reverse (2221023112), we get a palindrome (4334224334).
The spelling of 2113201222 in words is "two billion, one hundred thirteen million, two hundred one thousand, two hundred twenty-two".
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