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12667076905 = 57361916483
BaseRepresentation
bin10111100110000010…
…00100000100101001
31012200210100011211111
423303001010010221
5201420232430110
65452535230321
7625621243240
oct136301040451
935623304744
1012667076905
1154102643aa
1225562183a1
13126b4175a2
14882465957
154e20dce8a
hex2f3044129

12667076905 has 8 divisors (see below), whose sum is σ = 17371991232. Its totient is φ = 8685995568.

The previous prime is 12667076893. The next prime is 12667076957. The reversal of 12667076905 is 50967076621.

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 12667076905 - 227 = 12532859177 is a prime.

It is a Duffinian 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, 180958207 + ... + 180958276.

It is an arithmetic number, because the mean of its divisors is an integer number (2171498904).

Almost surely, 212667076905 is an apocalyptic number.

It is an amenable number.

12667076905 is a deficient number, since it is larger than the sum of its proper divisors (4704914327).

12667076905 is an equidigital number, since it uses as much as digits as its factorization.

12667076905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361916495.

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 12667076905 in words is "twelve billion, six hundred sixty-seven million, seventy-six thousand, nine hundred five".

Divisors: 1 5 7 35 361916483 1809582415 2533415381 12667076905