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2064780288 = 210331723191
BaseRepresentation
bin111101100010010…
…0000110000000000
312022220020201002000
41323010200300000
513212040432123
6540515224000
7102111225414
oct17304406000
95286221060
102064780288
1196a572a9a
124975a8000
1326ba090ac
1415831cd44
15c140bb43
hex7b120c00

2064780288 has 352 divisors, whose sum is σ = 6791454720. Its totient is φ = 616366080.

The previous prime is 2064780281. The next prime is 2064780299. The reversal of 2064780288 is 8820874602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064780281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10810273 + ... + 10810463.

Almost surely, 22064780288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2064780288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3395727360).

2064780288 is an abundant number, since it is smaller than the sum of its proper divisors (4726674432).

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

2064780288 is a wasteful number, since it uses less digits than its factorization.

2064780288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 2064780288 is about 45439.8535208907. The cubic root of 2064780288 is about 1273.3797772472.

The spelling of 2064780288 in words is "two billion, sixty-four million, seven hundred eighty thousand, two hundred eighty-eight".