Base | Representation |
---|---|
bin | 100100011101000… |
… | …1011010010000001 |
3 | 10011020200111211021 |
4 | 1020322023102001 |
5 | 10001120210423 |
6 | 321213345441 |
7 | 42212054146 |
oct | 11072132201 |
9 | 3136614737 |
10 | 1223210113 |
11 | 578519954 |
12 | 2a1798281 |
13 | 16655ca88 |
14 | b86523cd |
15 | 725c295d |
hex | 48e8b481 |
1223210113 has 8 divisors (see below), whose sum is σ = 1255161600. Its totient is φ = 1191359520.
The previous prime is 1223210083. The next prime is 1223210123. The reversal of 1223210113 is 3110123221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1223210113 - 29 = 1223209601 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1223210123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345 + ... + 49462.
It is an arithmetic number, because the mean of its divisors is an integer number (156895200).
Almost surely, 21223210113 is an apocalyptic number.
It is an amenable number.
1223210113 is a deficient number, since it is larger than the sum of its proper divisors (31951487).
1223210113 is an equidigital number, since it uses as much as digits as its factorization.
1223210113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50447.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 1223210113 is about 34974.4208386644. The cubic root of 1223210113 is about 1069.4660954752.
Adding to 1223210113 its reverse (3110123221), we get a palindrome (4333333334).
The spelling of 1223210113 in words is "one billion, two hundred twenty-three million, two hundred ten thousand, one hundred thirteen".
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