Base | Representation |
---|---|
bin | 100101101100101110… |
… | …0001000101011101011 |
3 | 21201222001201012121020 |
4 | 1023121130020223223 |
5 | 2311300101132140 |
6 | 101105154543523 |
7 | 5564125624005 |
oct | 1133134105353 |
9 | 251861635536 |
10 | 80957442795 |
11 | 31374403019 |
12 | 13834597ba3 |
13 | 78325c1508 |
14 | 3cbdda9375 |
15 | 218c5956d0 |
hex | 12d9708aeb |
80957442795 has 8 divisors (see below), whose sum is σ = 129531908496. Its totient is φ = 43177302816.
The previous prime is 80957442757. The next prime is 80957442799. The reversal of 80957442795 is 59724475908.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80957442795 - 28 = 80957442539 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80957442799) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2698581412 + ... + 2698581441.
It is an arithmetic number, because the mean of its divisors is an integer number (16191488562).
Almost surely, 280957442795 is an apocalyptic number.
80957442795 is a deficient number, since it is larger than the sum of its proper divisors (48574465701).
80957442795 is a wasteful number, since it uses less digits than its factorization.
80957442795 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5397162861.
The product of its (nonzero) digits is 25401600, while the sum is 60.
The spelling of 80957442795 in words is "eighty billion, nine hundred fifty-seven million, four hundred forty-two thousand, seven hundred ninety-five".
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