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12556443341 = 131950835803
BaseRepresentation
bin10111011000110110…
…00001111011001101
31012102002011102010002
423230123001323031
5201203422141331
65433544054045
7623106002351
oct135433017315
935362142102
1012556443341
11536386a802
122525164325
13125151ca40
148718a7461
154d75379cb
hex2ec6c1ecd

12556443341 has 8 divisors (see below), whose sum is σ = 14234025120. Its totient is φ = 10980533232.

The previous prime is 12556443283. The next prime is 12556443371. The reversal of 12556443341 is 14334465521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12556443341 - 210 = 12556442317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12556443295 and 12556443304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12556443371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25417655 + ... + 25418148.

It is an arithmetic number, because the mean of its divisors is an integer number (1779253140).

Almost surely, 212556443341 is an apocalyptic number.

It is an amenable number.

12556443341 is a deficient number, since it is larger than the sum of its proper divisors (1677581779).

12556443341 is a wasteful number, since it uses less digits than its factorization.

12556443341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50835835.

The product of its digits is 172800, while the sum is 38.

The spelling of 12556443341 in words is "twelve billion, five hundred fifty-six million, four hundred forty-three thousand, three hundred forty-one".

Divisors: 1 13 19 247 50835803 660865439 965880257 12556443341