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28489434622410 = 2358311441540009
BaseRepresentation
bin1100111101001001101101…
…01000010110100111001010
310201212120012200102211101110
412132210312220112213022
512213232330230404120
6140331510544431150
76000202514466426
oct636446650264712
9121776180384343
1028489434622410
119094335143153
12324153a0184b6
1312b8708172838
14706c78867b86
153461200e22e0
hex19e936a169ca

28489434622410 has 32 divisors (see below), whose sum is σ = 69198433980480. Its totient is φ = 7505650245248.

The previous prime is 28489434622409. The next prime is 28489434622421. The reversal of 28489434622410 is 1422643498482.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5720767515 + ... + 5720772494.

It is an arithmetic number, because the mean of its divisors is an integer number (2162451061890).

Almost surely, 228489434622410 is an apocalyptic number.

28489434622410 is an abundant number, since it is smaller than the sum of its proper divisors (40708999358070).

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

28489434622410 is a wasteful number, since it uses less digits than its factorization.

28489434622410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11441540102.

The product of its (nonzero) digits is 21233664, while the sum is 57.

The spelling of 28489434622410 in words is "twenty-eight trillion, four hundred eighty-nine billion, four hundred thirty-four million, six hundred twenty-two thousand, four hundred ten".

Divisors: 1 2 3 5 6 10 15 30 83 166 249 415 498 830 1245 2490 11441540009 22883080018 34324620027 57207700045 68649240054 114415400090 171623100135 343246200270 949647820747 1899295641494 2848943462241 4748239103735 5697886924482 9496478207470 14244717311205 28489434622410