Base | Representation |
---|---|
bin | 100101010111010100… |
… | …1111000101000000100 |
3 | 21200010001000101010000 |
4 | 1022232221320220010 |
5 | 2303312321024011 |
6 | 100510033401300 |
7 | 5540261400612 |
oct | 1125651705004 |
9 | 250101011100 |
10 | 80239626756 |
11 | 310361a5223 |
12 | 13674109230 |
13 | 7749984ab3 |
14 | 3c529146b2 |
15 | 2149554356 |
hex | 12aea78a04 |
80239626756 has 45 divisors (see below), whose sum is σ = 209775564229. Its totient is φ = 26744842656.
The previous prime is 80239626751. The next prime is 80239626763. The reversal of 80239626756 is 65762693208.
The square root of 80239626756 is 283266.
It is a perfect power (a square), and thus also a powerful number.
80239626756 is a `hidden beast` number, since 8 + 0 + 2 + 3 + 9 + 626 + 7 + 5 + 6 = 666.
It can be written as a sum of positive squares in only one way, i.e., 73045872900 + 7193753856 = 270270^2 + 84816^2 .
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80239626751) by changing a digit.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 5090920 + ... + 5106656.
Almost surely, 280239626756 is an apocalyptic number.
80239626756 is the 283266-th square number.
It is an amenable number.
80239626756 is an abundant number, since it is smaller than the sum of its proper divisors (129535937473).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80239626756 is an frugal number, since it uses more digits than its factorization.
80239626756 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31490 (or 15742 counting only the distinct ones).
The product of its (nonzero) digits is 6531840, while the sum is 54.
The spelling of 80239626756 in words is "eighty billion, two hundred thirty-nine million, six hundred twenty-six thousand, seven hundred fifty-six".
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