Base | Representation |
---|---|
bin | 100101101101011111… |
… | …1100010010000000000 |
3 | 21202000212202001001121 |
4 | 1023122333202100000 |
5 | 2311323233443101 |
6 | 101111525242024 |
7 | 5564563250614 |
oct | 1133277422000 |
9 | 252025661047 |
10 | 80983499776 |
11 | 31388090013 |
12 | 13841263314 |
13 | 7837b1584a |
14 | 3cc362d344 |
15 | 218e9e10a1 |
hex | 12dafe2400 |
80983499776 has 33 divisors (see below), whose sum is σ = 161906120121. Its totient is φ = 40487196672.
The previous prime is 80983499749. The next prime is 80983499809. The reversal of 80983499776 is 67799438908.
The square root of 80983499776 is 284576.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 10983040000 + 70000459776 = 104800^2 + 264576^2 .
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9101986 + ... + 9110878.
Almost surely, 280983499776 is an apocalyptic number.
80983499776 is the 284576-th square number.
It is an amenable number.
80983499776 is a deficient number, since it is larger than the sum of its proper divisors (80922620345).
80983499776 is an frugal number, since it uses more digits than its factorization.
80983499776 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17806 (or 8895 counting only the distinct ones).
The product of its (nonzero) digits is 164602368, while the sum is 70.
The spelling of 80983499776 in words is "eighty billion, nine hundred eighty-three million, four hundred ninety-nine thousand, seven hundred seventy-six".
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