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2281153056 = 2537313732
BaseRepresentation
bin1000011111110111…
…1010001000100000
312212222101120201020
42013331322020200
514132433344211
61014205005440
7110346324000
oct20775721040
95788346636
102281153056
11a70719066
12537b53880
132a47a6810
14178d64000
15d53ec306
hex87f7a220

2281153056 has 288 divisors, whose sum is σ = 7624713600. Its totient is φ = 593381376.

The previous prime is 2281152989. The next prime is 2281153057. The reversal of 2281153056 is 6503511822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281153057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31248636 + ... + 31248708.

It is an arithmetic number, because the mean of its divisors is an integer number (26474700).

Almost surely, 22281153056 is an apocalyptic number.

2281153056 is a gapful number since it is divisible by the number (26) 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 2281153056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3812356800).

2281153056 is an abundant number, since it is smaller than the sum of its proper divisors (5343560544).

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

2281153056 is an equidigital number, since it uses as much as digits as its factorization.

2281153056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 2281153056 is about 47761.4180693999. The cubic root of 2281153056 is about 1316.3907094014.

Adding to 2281153056 its reverse (6503511822), we get a palindrome (8784664878).

The spelling of 2281153056 in words is "two billion, two hundred eighty-one million, one hundred fifty-three thousand, fifty-six".