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2134735680 = 263571128879
BaseRepresentation
bin111111100111101…
…0111101101000000
312111202212210211110
41333033113231000
513332443020210
6551454443320
7103620645120
oct17717275500
95452783743
102134735680
119a6003570
124b6b03540
1328036050c
1416372cc80
15c7629420
hex7f3d7b40

2134735680 has 224 divisors, whose sum is σ = 8450519040. Its totient is φ = 443566080.

The previous prime is 2134735663. The next prime is 2134735693. The reversal of 2134735680 is 865374312.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59481 + ... + 88359.

Almost surely, 22134735680 is an apocalyptic number.

2134735680 is a gapful number since it is divisible by the number (20) 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 2134735680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4225259520).

2134735680 is an abundant number, since it is smaller than the sum of its proper divisors (6315783360).

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

2134735680 is a wasteful number, since it uses less digits than its factorization.

2134735680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28917 (or 28907 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 2134735680 is about 46203.1998891852. The cubic root of 2134735680 is about 1287.6011907774.

The spelling of 2134735680 in words is "two billion, one hundred thirty-four million, seven hundred thirty-five thousand, six hundred eighty".