Base | Representation |
---|---|
bin | 1101001000010101010010… |
… | …10101001101011111010110 |
3 | 10210020021211121012121222000 |
4 | 12210022221111031133112 |
5 | 12241031123413322434 |
6 | 141224204231220130 |
7 | 6040022666444655 |
oct | 644125125153726 |
9 | 123207747177860 |
10 | 28873611073494 |
11 | 9222258798aa0 |
12 | 32a3a95b17646 |
13 | 1315a01458385 |
14 | 71b6c12ab19c |
15 | 35110774bb99 |
hex | 1a42a954d7d6 |
28873611073494 has 64 divisors (see below), whose sum is σ = 69998727847680. Its totient is φ = 8749317245760.
The previous prime is 28873611073481. The next prime is 28873611073529. The reversal of 28873611073494 is 49437011637882.
28873611073494 is a `hidden beast` number, since 2 + 8 + 8 + 7 + 3 + 61 + 10 + 73 + 494 = 666.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19614597 + ... + 21035199.
It is an arithmetic number, because the mean of its divisors is an integer number (1093730122620).
Almost surely, 228873611073494 is an apocalyptic number.
28873611073494 is an abundant number, since it is smaller than the sum of its proper divisors (41125116774186).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28873611073494 is a wasteful number, since it uses less digits than its factorization.
28873611073494 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1454842 (or 1454836 counting only the distinct ones).
The product of its (nonzero) digits is 48771072, while the sum is 63.
The spelling of 28873611073494 in words is "twenty-eight trillion, eight hundred seventy-three billion, six hundred eleven million, seventy-three thousand, four hundred ninety-four".
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