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28857443143046 = 27233714916256011
BaseRepresentation
bin1101000111110111001011…
…01001011100110110000110
310210011202002211101122220012
412203323211221130312012
512240300020421034141
6141212532032310222
76035611225345340
oct643734551346606
9123152084348805
1028857443143046
119216411384601
1232a09233a2372
131314325965b1b
1471a9c9d04290
153509ad133ceb
hex1a3ee5a5cd86

28857443143046 has 64 divisors (see below), whose sum is σ = 53371738598400. Its totient is φ = 11432786808960.

The previous prime is 28857443143027. The next prime is 28857443143097. The reversal of 28857443143046 is 64034134475882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6352820 + ... + 9903191.

It is an arithmetic number, because the mean of its divisors is an integer number (833933415600).

Almost surely, 228857443143046 is an apocalyptic number.

28857443143046 is a deficient number, since it is larger than the sum of its proper divisors (24514295455354).

28857443143046 is a wasteful number, since it uses less digits than its factorization.

28857443143046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16256229.

The product of its (nonzero) digits is 61931520, while the sum is 59.

The spelling of 28857443143046 in words is "twenty-eight trillion, eight hundred fifty-seven billion, four hundred forty-three million, one hundred forty-three thousand, forty-six".

Divisors: 1 2 7 14 23 37 46 74 149 161 259 298 322 518 851 1043 1702 2086 3427 5513 5957 6854 11026 11914 23989 38591 47978 77182 126799 253598 887593 1775186 16256011 32512022 113792077 227584154 373888253 601472407 747776506 1202944814 2422145639 2617217771 4210306849 4844291278 5234435542 8420613698 13833865361 16955019473 27667730722 33910038946 55709349697 89619388643 96837057527 111418699394 179238777286 193674115054 389965447879 627335720501 779930895758 1254671441002 2061245938789 4122491877578 14428721571523 28857443143046