Base | Representation |
---|---|
bin | 1100110001000001101101… |
… | …01111100100111101110000 |
3 | 10200101201212102100101120002 |
4 | 12120200312233210331300 |
5 | 12134421121110012441 |
6 | 135412251100005132 |
7 | 5625123523463210 |
oct | 630406657447560 |
9 | 120351772311502 |
10 | 28072824688496 |
11 | 8a43688752645 |
12 | 31948502307a8 |
13 | 12883435b4c43 |
14 | 6d0a36722240 |
15 | 33a38a3c1b9b |
hex | 198836be4f70 |
28072824688496 has 160 divisors (see below), whose sum is σ = 65018246565888. Its totient is φ = 11480754954240.
The previous prime is 28072824688463. The next prime is 28072824688501. The reversal of 28072824688496 is 69488642827082.
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, 4486623800 + ... + 4486630056.
Almost surely, 228072824688496 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28072824688496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32509123282944).
28072824688496 is an abundant number, since it is smaller than the sum of its proper divisors (36945421877392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28072824688496 is a wasteful number, since it uses less digits than its factorization.
28072824688496 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10159 (or 10153 counting only the distinct ones).
The product of its (nonzero) digits is 1189085184, while the sum is 74.
The spelling of 28072824688496 in words is "twenty-eight trillion, seventy-two billion, eight hundred twenty-four million, six hundred eighty-eight thousand, four hundred ninety-six".
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