Base | Representation |
---|---|
bin | 1011000111110011011110… |
… | …1110011011010001101010 |
3 | 1121022001102121021210000201 |
4 | 2301330313232123101222 |
5 | 3100323342420341223 |
6 | 42001442414422414 |
7 | 2401331516554024 |
oct | 261746756332152 |
9 | 47261377253021 |
10 | 12228706808938 |
11 | 3995190212494 |
12 | 1456009201a0a |
13 | 6a92151b1129 |
14 | 303c3047b014 |
15 | 16316b6c5ead |
hex | b1f37b9b46a |
12228706808938 has 8 divisors (see below), whose sum is σ = 18733338090432. Its totient is φ = 5984260778796.
The previous prime is 12228706808933. The next prime is 12228706808977. The reversal of 12228706808938 is 83980860782221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 12228706808938.
It is not an unprimeable number, because it can be changed into a prime (12228706808933) 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, 65046312720 + ... + 65046312907.
It is an arithmetic number, because the mean of its divisors is an integer number (2341667261304).
Almost surely, 212228706808938 is an apocalyptic number.
12228706808938 is a deficient number, since it is larger than the sum of its proper divisors (6504631281494).
12228706808938 is a wasteful number, since it uses less digits than its factorization.
12228706808938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130092625676.
The product of its (nonzero) digits is 37158912, while the sum is 64.
The spelling of 12228706808938 in words is "twelve trillion, two hundred twenty-eight billion, seven hundred six million, eight hundred eight thousand, nine hundred thirty-eight".
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