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12676384645 = 5171311138427
BaseRepresentation
bin10111100111001001…
…00100011110000101
31012201102212001122121
423303210210132011
5201430123302040
65453510525541
7626063330431
oct136344443605
935642761577
1012676384645
115415541451
1225593668b1
131270326022
148837a99c1
154e2d2ac4a
hex2f3924785

12676384645 has 16 divisors (see below), whose sum is σ = 16229429568. Its totient is φ = 9471704320.

The previous prime is 12676384639. The next prime is 12676384661. The reversal of 12676384645 is 54648367621.

12676384645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12676384645 - 25 = 12676384613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12676384592 and 12676384601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558079 + ... + 580348.

It is an arithmetic number, because the mean of its divisors is an integer number (1014339348).

Almost surely, 212676384645 is an apocalyptic number.

It is an amenable number.

12676384645 is a deficient number, since it is larger than the sum of its proper divisors (3553044923).

12676384645 is a wasteful number, since it uses less digits than its factorization.

12676384645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138580.

The product of its digits is 5806080, while the sum is 52.

The spelling of 12676384645 in words is "twelve billion, six hundred seventy-six million, three hundred eighty-four thousand, six hundred forty-five".

Divisors: 1 5 17 85 131 655 2227 11135 1138427 5692135 19353259 96766295 149133937 745669685 2535276929 12676384645