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12676384655 = 511607379703
BaseRepresentation
bin10111100111001001…
…00100011110001111
31012201102212001122222
423303210210132033
5201430123302110
65453510525555
7626063330444
oct136344443617
935642761588
1012676384655
115415541460
1225593668bb
13127032602c
148837a99cb
154e2d2ac55
hex2f392478f

12676384655 has 16 divisors (see below), whose sum is σ = 16621922304. Its totient is φ = 9203976480.

The previous prime is 12676384639. The next prime is 12676384661. The reversal of 12676384655 is 55648367621.

It is a happy number.

It is not a de Polignac number, because 12676384655 - 24 = 12676384639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12676384597 and 12676384606.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 156467 + ... + 223236.

It is an arithmetic number, because the mean of its divisors is an integer number (1038870144).

Almost surely, 212676384655 is an apocalyptic number.

12676384655 is a deficient number, since it is larger than the sum of its proper divisors (3945537649).

12676384655 is a wasteful number, since it uses less digits than its factorization.

12676384655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380326.

The product of its digits is 7257600, while the sum is 53.

The spelling of 12676384655 in words is "twelve billion, six hundred seventy-six million, three hundred eighty-four thousand, six hundred fifty-five".

Divisors: 1 5 11 55 607 3035 6677 33385 379703 1898515 4176733 20883665 230479721 1152398605 2535276931 12676384655