Base | Representation |
---|---|
bin | 1101001010011110000101… |
… | …11100111111000101110111 |
3 | 10210111022102001121200212100 |
4 | 12211033002330333011313 |
5 | 12243232032133442321 |
6 | 141322032121353143 |
7 | 6045233005633065 |
oct | 645170274770567 |
9 | 123438361550770 |
10 | 28947055374711 |
11 | 92504171245a1 |
12 | 32b61723387b3 |
13 | 131c90733a086 |
14 | 72108b503035 |
15 | 352ea5416326 |
hex | 1a53c2f3f177 |
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".
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