Base | Representation |
---|---|
bin | 11010110110011111… |
… | …110001110001011000 |
3 | 2202102022201101121222 |
4 | 122312133301301120 |
5 | 433021341244131 |
6 | 21124532551212 |
7 | 2040321310112 |
oct | 326637616130 |
9 | 82368641558 |
10 | 28831587416 |
11 | 112557523a5 |
12 | 5707782508 |
13 | 29462b02c8 |
14 | 15771bc3b2 |
15 | b3b27c87b |
hex | 6b67f1c58 |
28831587416 has 32 divisors (see below), whose sum is σ = 55333082880. Its totient is φ = 14079895200.
The previous prime is 28831587403. The next prime is 28831587443. The reversal of 28831587416 is 61478513882.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176420 + ... + 297971.
It is an arithmetic number, because the mean of its divisors is an integer number (1729158840).
Almost surely, 228831587416 is an apocalyptic number.
It is an amenable number.
28831587416 is a deficient number, since it is larger than the sum of its proper divisors (26501495464).
28831587416 is a wasteful number, since it uses less digits than its factorization.
28831587416 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 474575 (or 474571 counting only the distinct ones).
The product of its digits is 2580480, while the sum is 53.
The spelling of 28831587416 in words is "twenty-eight billion, eight hundred thirty-one million, five hundred eighty-seven thousand, four hundred sixteen".
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