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2066250720 = 253517313809
BaseRepresentation
bin111101100101000…
…0111101111100000
312100000000102010110
41323022013233200
513212430010340
6541010531320
7102126561402
oct17312075740
95300012113
102066250720
11970387826
12497b96b40
1326c102481
141585c2b72
15c15ec680
hex7b287be0

2066250720 has 192 divisors, whose sum is σ = 6922117440. Its totient is φ = 516292608.

The previous prime is 2066250709. The next prime is 2066250731. The reversal of 2066250720 is 270526602.

It is an interprime number because it is at equal distance from previous prime (2066250709) and next prime (2066250731).

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 2553676 + ... + 2554484.

It is an arithmetic number, because the mean of its divisors is an integer number (36052695).

Almost surely, 22066250720 is an apocalyptic number.

2066250720 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 2066250720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3461058720).

2066250720 is an abundant number, since it is smaller than the sum of its proper divisors (4855866720).

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

2066250720 is a wasteful number, since it uses less digits than its factorization.

2066250720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157 (or 1149 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 2066250720 is about 45456.0306230097. The cubic root of 2066250720 is about 1273.6819843922.

The spelling of 2066250720 in words is "two billion, sixty-six million, two hundred fifty thousand, seven hundred twenty".