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2814449664 = 211313167211
BaseRepresentation
bin1010011111000001…
…0001100000000000
321021010212212010110
42213300101200000
521230444342124
61143135231320
7126513266415
oct24760214000
97233785113
102814449664
111214757764
12666678540
1335b119240
141c9b0610c
15117141029
hexa7c11800

2814449664 has 192 divisors, whose sum is σ = 8167461120. Its totient is φ = 856719360.

The previous prime is 2814449657. The next prime is 2814449699. The reversal of 2814449664 is 4669444182.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×28144496642 = 15842253822379425792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13338519 + ... + 13338729.

It is an arithmetic number, because the mean of its divisors is an integer number (42538860).

Almost surely, 22814449664 is an apocalyptic number.

2814449664 is a gapful number since it is divisible by the number (24) 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 2814449664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4083730560).

2814449664 is an abundant number, since it is smaller than the sum of its proper divisors (5353011456).

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

2814449664 is a wasteful number, since it uses less digits than its factorization.

2814449664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 396 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The square root of 2814449664 is about 53051.3870129707. The cubic root of 2814449664 is about 1411.8801375942.

The spelling of 2814449664 in words is "two billion, eight hundred fourteen million, four hundred forty-nine thousand, six hundred sixty-four".