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2086650720 = 253557111741
BaseRepresentation
bin111110001011111…
…1100001101100000
312101102101211200000
41330113330031200
513233140310340
6543020100000
7102465144540
oct17427741540
95342354600
102086650720
11980950630
124a2994600
132733c598b
1415b1b3320
15c32cbd30
hex7c5fc360

2086650720 has 1152 divisors, whose sum is σ = 9985876992. Its totient is φ = 398131200.

The previous prime is 2086650707. The next prime is 2086650751. The reversal of 2086650720 is 270566802.

It is a super-2 number, since 2×20866507202 = 8708222454553036800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 50893900 + ... + 50893940.

It is an arithmetic number, because the mean of its divisors is an integer number (8668296).

Almost surely, 22086650720 is an apocalyptic number.

2086650720 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 2086650720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4992938496).

2086650720 is an abundant number, since it is smaller than the sum of its proper divisors (7899226272).

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

2086650720 is a wasteful number, since it uses less digits than its factorization.

2086650720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2086650720 is about 45679.8721539367. The cubic root of 2086650720 is about 1277.8599330724.

The spelling of 2086650720 in words is "two billion, eighty-six million, six hundred fifty thousand, seven hundred twenty".