Base | Representation |
---|---|
bin | 1001101001110… |
… | …10110101000010 |
3 | 12122101021110221 |
4 | 10310322311002 |
5 | 131212400224 |
6 | 12011413254 |
7 | 2002221061 |
oct | 464726502 |
9 | 178337427 |
10 | 80981314 |
11 | 41791507 |
12 | 2315422a |
13 | 13a14c4b |
14 | aa801d8 |
15 | 71996e4 |
hex | 4d3ad42 |
80981314 has 16 divisors (see below), whose sum is σ = 124764696. Its totient is φ = 39398400.
The previous prime is 80981293. The next prime is 80981317. The reversal of 80981314 is 41318908.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 68343289 + 12638025 = 8267^2 + 3555^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 80981314.
It is not an unprimeable number, because it can be changed into a prime (80981317) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36394 + ... + 38554.
Almost surely, 280981314 is an apocalyptic number.
80981314 is a deficient number, since it is larger than the sum of its proper divisors (43783382).
80981314 is a wasteful number, since it uses less digits than its factorization.
80981314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2661.
The product of its (nonzero) digits is 6912, while the sum is 34.
The square root of 80981314 is about 8998.9618290112. The cubic root of 80981314 is about 432.6415970822.
The spelling of 80981314 in words is "eighty million, nine hundred eighty-one thousand, three hundred fourteen".
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