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28300304318 = 21113253143617
BaseRepresentation
bin11010010110110101…
…000101111110111110
32201001022000102020012
4122112311011332332
5430424334214233
621000113423222
72021210421566
oct322665057676
981038012205
1028300304318
1111002869560
12559986ab12
1328901c4200
141526801da6
15b097d5548
hex696d45fbe

28300304318 has 48 divisors (see below), whose sum is σ = 51092390736. Its totient is φ = 11650129920.

The previous prime is 28300304317. The next prime is 28300304321. The reversal of 28300304318 is 81340300382.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28300304317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125246 + ... + 268862.

It is an arithmetic number, because the mean of its divisors is an integer number (1064424807).

Almost surely, 228300304318 is an apocalyptic number.

28300304318 is a deficient number, since it is larger than the sum of its proper divisors (22792086418).

28300304318 is a wasteful number, since it uses less digits than its factorization.

28300304318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143709 (or 143696 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 28300304318 in words is "twenty-eight billion, three hundred million, three hundred four thousand, three hundred eighteen".

Divisors: 1 2 11 13 22 26 53 106 143 169 286 338 583 689 1166 1378 1859 3718 7579 8957 15158 17914 98527 143617 197054 287234 1579787 1867021 3159574 3734042 7611701 15223402 20537231 24271273 41074462 48542546 83728711 98952113 167457422 197904226 266984003 533968006 1088473243 1286377469 2176946486 2572754938 14150152159 28300304318