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12731636506692 = 22383263412711777
BaseRepresentation
bin1011100101000101000010…
…1010111110000001000100
31200002010120122020120001110
42321101100222332001010
53132043342421203232
643024455535325020
72452554551503305
oct271212052760104
950063518216043
1012731636506692
1140695029931a4
121517587380770
1371478529a16c
143203008067ac
151712a4612acc
hexb9450abe044

12731636506692 has 96 divisors (see below), whose sum is σ = 30189261053952. Its totient is φ = 4175439118336.

The previous prime is 12731636506591. The next prime is 12731636506723. The reversal of 12731636506692 is 29660563613721.

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, 1081053508 + ... + 1081065284.

It is an arithmetic number, because the mean of its divisors is an integer number (314471469312).

Almost surely, 212731636506692 is an apocalyptic number.

12731636506692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12731636506692 is an abundant number, since it is smaller than the sum of its proper divisors (17457624547260).

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

12731636506692 is a wasteful number, since it uses less digits than its factorization.

12731636506692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16257 (or 16255 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 57.

The spelling of 12731636506692 in words is "twelve trillion, seven hundred thirty-one billion, six hundred thirty-six million, five hundred six thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 83 166 249 263 332 498 526 789 996 1052 1578 3156 4127 8254 11777 12381 16508 21829 23554 24762 35331 43658 47108 49524 65487 70662 87316 130974 141324 261948 342541 685082 977491 1027623 1085401 1370164 1954982 2055246 2170802 2932473 3097351 3256203 3909964 4110492 4341604 5864946 6194702 6512406 9292053 11729892 12389404 13024812 18584106 37168212 48603679 90088283 97207358 145811037 180176566 194414716 257080133 270264849 291622074 360353132 514160266 540529698 583244148 771240399 1028320532 1081059396 1542480798 3084961596 4034105357 8068210714 12102316071 12782767577 16136421428 24204632142 25565535154 38348302731 48409264284 51131070308 76696605462 153393210924 1060969708891 2121939417782 3182909126673 4243878835564 6365818253346 12731636506692