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13686434213760 = 27335711223109373
BaseRepresentation
bin1100011100101001111100…
…0011001010111110000000
31210110102002010120120202000
43013022133003022332000
53243214304124320020
645035243332024000
72611545412216620
oct307123703127600
953412063516660
1013686434213760
1143a7425344400
121650633162000
137838187769b9
143545d97a2880
1518b0377cc090
hexc729f0caf80

13686434213760 has 3072 divisors, whose sum is σ = 64293723648000. Its totient is φ = 2688102236160.

The previous prime is 13686434213743. The next prime is 13686434213813. The reversal of 13686434213760 is 6731243468631.

13686434213760 is a `hidden beast` number, since 1 + 36 + 86 + 4 + 342 + 137 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 13686434213697 and 13686434213706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 36692852934 + ... + 36692853306.

It is an arithmetic number, because the mean of its divisors is an integer number (20928946500).

Almost surely, 213686434213760 is an apocalyptic number.

13686434213760 is a gapful number since it is divisible by the number (10) 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 13686434213760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32146861824000).

13686434213760 is an abundant number, since it is smaller than the sum of its proper divisors (50607289434240).

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

13686434213760 is a wasteful number, since it uses less digits than its factorization.

13686434213760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 54.

The spelling of 13686434213760 in words is "thirteen trillion, six hundred eighty-six billion, four hundred thirty-four million, two hundred thirteen thousand, seven hundred sixty".