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2281042512 = 243372197547
BaseRepresentation
bin1000011111110101…
…1111001001010000
312212222011222002000
42013331133021100
514132421330022
61014202354000
7110345353500
oct20775371120
95788158060
102281042512
11a70653001
12537abb900
132a47683c8
14178d35a00
15d53c96ac
hex87f5f250

2281042512 has 240 divisors, whose sum is σ = 7669062720. Its totient is φ = 647232768.

The previous prime is 2281042487. The next prime is 2281042523. The reversal of 2281042512 is 2152401822.

2281042512 is a `hidden beast` number, since 228 + 1 + 0 + 425 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 47 ways as a sum of consecutive naturals, for example, 4169823 + ... + 4170369.

It is an arithmetic number, because the mean of its divisors is an integer number (31954428).

Almost surely, 22281042512 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 2281042512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3834531360).

2281042512 is an abundant number, since it is smaller than the sum of its proper divisors (5388020208).

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

2281042512 is a wasteful number, since it uses less digits than its factorization.

2281042512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 2281042512 is about 47760.2608033080. The cubic root of 2281042512 is about 1316.3694450902.

The spelling of 2281042512 in words is "two billion, two hundred eighty-one million, forty-two thousand, five hundred twelve".