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2280144889 = 11269976801
BaseRepresentation
bin1000011111101000…
…0011111111111001
312212220111100202201
42013322003333321
514132204114024
61014131230201
7110334624511
oct20772037771
95786440681
102280144889
11a7009a670
12537748361
132a4512979
14178b80841
15d529d744
hex87e83ff9

2280144889 has 8 divisors (see below), whose sum is σ = 2488384800. Its totient is φ = 2072064000.

The previous prime is 2280144883. The next prime is 2280144899. The reversal of 2280144889 is 9884410822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2280144889 - 211 = 2280142841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2280144883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8712 + ... + 68089.

It is an arithmetic number, because the mean of its divisors is an integer number (311048100).

Almost surely, 22280144889 is an apocalyptic number.

It is an amenable number.

2280144889 is a deficient number, since it is larger than the sum of its proper divisors (208239911).

2280144889 is a wasteful number, since it uses less digits than its factorization.

2280144889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79511.

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 2280144889 is about 47750.8627042486. The cubic root of 2280144889 is about 1316.1967523396.

It can be divided in two parts, 228014 and 4889, that added together give a triangular number (232903 = T682).

The spelling of 2280144889 in words is "two billion, two hundred eighty million, one hundred forty-four thousand, eight hundred eighty-nine".

Divisors: 1 11 2699 29689 76801 844811 207285899 2280144889