Base | Representation |
---|---|
bin | 100100011101000… |
… | …1001000011110100 |
3 | 10011020200001100012 |
4 | 1020322021003310 |
5 | 10001114413022 |
6 | 321213235352 |
7 | 42212015465 |
oct | 11072110364 |
9 | 3136601305 |
10 | 1223201012 |
11 | 578513030 |
12 | 2a1792b58 |
13 | 1665588a7 |
14 | b864cd6c |
15 | 725bede2 |
hex | 48e890f4 |
1223201012 has 24 divisors (see below), whose sum is σ = 2337938400. Its totient is φ = 555348960.
The previous prime is 1223200987. The next prime is 1223201027. The reversal of 1223201012 is 2101023221.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22739 + ... + 54437.
It is an arithmetic number, because the mean of its divisors is an integer number (97414100).
Almost surely, 21223201012 is an apocalyptic number.
It is an amenable number.
1223201012 is a deficient number, since it is larger than the sum of its proper divisors (1114737388).
1223201012 is a wasteful number, since it uses less digits than its factorization.
1223201012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32591 (or 32589 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 1223201012 is about 34974.2907290484. The cubic root of 1223201012 is about 1069.4634431004.
Adding to 1223201012 its reverse (2101023221), we get a palindrome (3324224233).
The spelling of 1223201012 in words is "one billion, two hundred twenty-three million, two hundred one thousand, twelve".
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