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28947055374711 = 3289173829251983
BaseRepresentation
bin1101001010011110000101…
…11100111111000101110111
310210111022102001121200212100
412211033002330333011313
512243232032133442321
6141322032121353143
76045233005633065
oct645170274770567
9123438361550770
1028947055374711
1192504171245a1
1232b61723387b3
13131c90733a086
1472108b503035
15352ea5416326
hex1a53c2f3f177

28947055374711 has 48 divisors (see below), whose sum is σ = 42578089257600. Its totient is φ = 18947949774336.

The previous prime is 28947055374697. The next prime is 28947055374733. The reversal of 28947055374711 is 11747355074982.

28947055374711 is a `hidden beast` number, since 2 + 8 + 9 + 4 + 7 + 0 + 553 + 7 + 4 + 71 + 1 = 666.

It is not a de Polignac number, because 28947055374711 - 211 = 28947055372663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28947055324711) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114751026 + ... + 115003008.

It is an arithmetic number, because the mean of its divisors is an integer number (887043526200).

Almost surely, 228947055374711 is an apocalyptic number.

28947055374711 is a deficient number, since it is larger than the sum of its proper divisors (13631033882889).

28947055374711 is a wasteful number, since it uses less digits than its factorization.

28947055374711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253080 (or 253077 counting only the distinct ones).

The product of its (nonzero) digits is 59270400, while the sum is 63.

The spelling of 28947055374711 in words is "twenty-eight trillion, nine hundred forty-seven billion, fifty-five million, three hundred seventy-four thousand, seven hundred eleven".

Divisors: 1 3 9 89 173 267 519 801 829 1557 2487 7461 15397 46191 73781 138573 143417 221343 251983 430251 664029 755949 1290753 2267847 12764113 22426487 38292339 43593059 67279461 114877017 130779177 201838383 208893907 392337531 626681721 1880045163 3879782251 11639346753 18591557723 34918040259 36138645911 55774673169 108415937733 167324019507 325247813199 3216339486079 9649018458237 28947055374711