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12228706808938 = 247130092625627
BaseRepresentation
bin1011000111110011011110…
…1110011011010001101010
31121022001102121021210000201
42301330313232123101222
53100323342420341223
642001442414422414
72401331516554024
oct261746756332152
947261377253021
1012228706808938
113995190212494
121456009201a0a
136a92151b1129
14303c3047b014
1516316b6c5ead
hexb1f37b9b46a

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".

Divisors: 1 2 47 94 130092625627 260185251254 6114353404469 12228706808938