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4668020280 = 2339572112
BaseRepresentation
bin1000101100011110…
…00101011000111000
3110001022201000000000
410112033011120320
534030003122110
62051111513000
7223451342400
oct42617053070
913038630000
104668020280
111a85a80800
12aa3388760
135951449a1
14323d65800
151c4c2c1c0
hex1163c5638

4668020280 has 720 divisors, whose sum is σ = 20143929960. Its totient is φ = 969978240.

The previous prime is 4668020261. The next prime is 4668020297. The reversal of 4668020280 is 820208664.

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 polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 424365475 + ... + 424365485.

Almost surely, 24668020280 is an apocalyptic number.

4668020280 is a gapful number since it is divisible by the number (40) 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 4668020280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10071964980).

4668020280 is an abundant number, since it is smaller than the sum of its proper divisors (15475909680).

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

4668020280 is an equidigital number, since it uses as much as digits as its factorization.

4668020280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 4668020280 is about 68322.9118231944. The cubic root of 4668020280 is about 1671.2608690575.

The spelling of 4668020280 in words is "four billion, six hundred sixty-eight million, twenty thousand, two hundred eighty".