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228300281088 = 28311197313697
BaseRepresentation
bin1101010010011111000…
…0011101010100000000
3210211021122020220212020
43110213300131110000
512220024332443323
6252514003201440
722331331241065
oct3244760352400
9724248226766
10228300281088
1188904614260
12382b5376280
13186b4505929
14b09a8b8c6c
155e12c52ae3
hex3527c1d500

228300281088 has 144 divisors (see below), whose sum is σ = 663233489856. Its totient is φ = 69141790720.

The previous prime is 228300281081. The next prime is 228300281089. The reversal of 228300281088 is 880182003822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228300281081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16661056 + ... + 16674752.

It is an arithmetic number, because the mean of its divisors is an integer number (4605788124).

Almost surely, 2228300281088 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 228300281088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331616744928).

228300281088 is an abundant number, since it is smaller than the sum of its proper divisors (434933208768).

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

228300281088 is a wasteful number, since it uses less digits than its factorization.

228300281088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15700 (or 15686 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The spelling of 228300281088 in words is "two hundred twenty-eight billion, three hundred million, two hundred eighty-one thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 256 264 352 384 528 704 768 1056 1408 1973 2112 2816 3946 4224 5919 7892 8448 11838 13697 15784 21703 23676 27394 31568 41091 43406 47352 54788 63136 65109 82182 86812 94704 109576 126272 130218 150667 164364 173624 189408 219152 252544 260436 301334 328728 347248 378816 438304 452001 505088 520872 602668 657456 694496 757632 876608 904002 1041744 1205336 1314912 1388992 1515264 1753216 1808004 2083488 2410672 2629824 2777984 3506432 3616008 4166976 4821344 5259648 5555968 7232016 8333952 9642688 10519296 14464032 16667904 19285376 27024181 28928064 38570752 54048362 57856128 81072543 108096724 115712256 162145086 216193448 297265991 324290172 432386896 594531982 648580344 864773792 891797973 1189063964 1297160688 1729547584 1783595946 2378127928 2594321376 3459095168 3567191892 4756255856 5188642752 6918190336 7134383784 9512511712 10377285504 14268767568 19025023424 20754571008 28537535136 38050046848 57075070272 76100093696 114150140544 228300281088