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12676384644 = 22371149127941
BaseRepresentation
bin10111100111001001…
…00100011110000100
31012201102212001122120
423303210210132010
5201430123302034
65453510525540
7626063330430
oct136344443604
935642761576
1012676384644
115415541450
1225593668b0
131270326021
148837a99c0
154e2d2ac49
hex2f3924784

12676384644 has 96 divisors (see below), whose sum is σ = 36953183232. Its totient is φ = 3285744000.

The previous prime is 12676384639. The next prime is 12676384661. The reversal of 12676384644 is 44648367621.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439714 + ... + 467654.

It is an arithmetic number, because the mean of its divisors is an integer number (384928992).

Almost surely, 212676384644 is an apocalyptic number.

12676384644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12676384644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18476591616).

12676384644 is an abundant number, since it is smaller than the sum of its proper divisors (24276798588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12676384644 is a wasteful number, since it uses less digits than its factorization.

12676384644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28457 (or 28455 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 51.

The spelling of 12676384644 in words is "twelve billion, six hundred seventy-six million, three hundred eighty-four thousand, six hundred forty-four".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 491 924 982 1473 1964 2946 3437 5401 5892 6874 10311 10802 13748 16203 20622 21604 27941 32406 37807 41244 55882 64812 75614 83823 111764 113421 151228 167646 195587 226842 307351 335292 391174 453684 586761 614702 782348 922053 1173522 1229404 1844106 2151457 2347044 3688212 4302914 6454371 8605828 12908742 13719031 25817484 27438062 41157093 54876124 82314186 96033217 150909341 164628372 192066434 288099651 301818682 384132868 452728023 576199302 603637364 905456046 1056365387 1152398604 1810912092 2112730774 3169096161 4225461548 6338192322 12676384644