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11994490115685 = 3457211247106279
BaseRepresentation
bin1010111010001010111101…
…0100101001011001100101
31120110122212122020222110000
42232202233110221121211
53033004203432200220
641302105342051513
72345400434532600
oct256425724513145
946418778228400
1011994490115685
11390491aa7a200
121418742579b99
136900ca027bcc
142d6771d11337
1515c00e34c390
hexae8af529665

11994490115685 has 360 divisors, whose sum is σ = 28077336080640. Its totient is φ = 4878619320960.

The previous prime is 11994490115653. The next prime is 11994490115689. The reversal of 11994490115685 is 58651109449911.

11994490115685 is a `hidden beast` number, since 1 + 1 + 9 + 9 + 4 + 490 + 11 + 56 + 85 = 666.

It is not a de Polignac number, because 11994490115685 - 25 = 11994490115653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11994490115689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 112805376 + ... + 112911654.

It is an arithmetic number, because the mean of its divisors is an integer number (77992600224).

Almost surely, 211994490115685 is an apocalyptic number.

11994490115685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11994490115685 is an abundant number, since it is smaller than the sum of its proper divisors (16082845964955).

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

11994490115685 is a wasteful number, since it uses less digits than its factorization.

11994490115685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106379 (or 106352 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 63.

The spelling of 11994490115685 in words is "eleven trillion, nine hundred ninety-four billion, four hundred ninety million, one hundred fifteen thousand, six hundred eighty-five".