Base | Representation |
---|---|
bin | 100011110011001… |
… | …1010011101111111 |
3 | 10002201100221021002 |
4 | 1013212122131333 |
5 | 4430010032343 |
6 | 315111000515 |
7 | 41524322033 |
oct | 10746323577 |
9 | 3081327232 |
10 | 1201252223 |
11 | 567091636 |
12 | 29636913b |
13 | 161b42442 |
14 | b57781c3 |
15 | 706d68b8 |
hex | 4799a77f |
1201252223 has 4 divisors (see below), whose sum is σ = 1204189680. Its totient is φ = 1198314768.
The previous prime is 1201252207. The next prime is 1201252231. The reversal of 1201252223 is 3222521021.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1201252223 - 24 = 1201252207 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1201252195 and 1201252204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1201252253) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1468115 + ... + 1468932.
It is an arithmetic number, because the mean of its divisors is an integer number (301047420).
Almost surely, 21201252223 is an apocalyptic number.
1201252223 is a deficient number, since it is larger than the sum of its proper divisors (2937457).
1201252223 is an equidigital number, since it uses as much as digits as its factorization.
1201252223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2937456.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 1201252223 is about 34659.0857207746. The cubic root of 1201252223 is about 1063.0280755449.
Adding to 1201252223 its reverse (3222521021), we get a palindrome (4423773244).
The spelling of 1201252223 in words is "one billion, two hundred one million, two hundred fifty-two thousand, two hundred twenty-three".
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