Base | Representation |
---|---|
bin | 10110101111010111… |
… | …00001100100111000 |
3 | 1011111211100022011111 |
4 | 23113223201210320 |
5 | 200000330231002 |
6 | 5335233210104 |
7 | 611352035206 |
oct | 132753414470 |
9 | 34454308144 |
10 | 12208445752 |
11 | 51a5392a98 |
12 | 2448700934 |
13 | 11c73b80c9 |
14 | 83b59c076 |
15 | 4b6be73d7 |
hex | 2d7ae1938 |
12208445752 has 32 divisors (see below), whose sum is σ = 23979960000. Its totient is φ = 5819119488.
The previous prime is 12208445737. The next prime is 12208445789. The reversal of 12208445752 is 25754480221.
It is a happy number.
It is a super-2 number, since 2×122084457522 (a number of 21 digits) contains 22 as substring.
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, 314727 + ... + 351382.
It is an arithmetic number, because the mean of its divisors is an integer number (749373750).
Almost surely, 212208445752 is an apocalyptic number.
It is an amenable number.
12208445752 is a deficient number, since it is larger than the sum of its proper divisors (11771514248).
12208445752 is a wasteful number, since it uses less digits than its factorization.
12208445752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 666223 (or 666219 counting only the distinct ones).
The product of its (nonzero) digits is 179200, while the sum is 40.
The spelling of 12208445752 in words is "twelve billion, two hundred eight million, four hundred forty-five thousand, seven hundred fifty-two".
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