Base | Representation |
---|---|
bin | 1001100010111… |
… | …00110011010111 |
3 | 12120200001222202 |
4 | 10301130303113 |
5 | 130444300040 |
6 | 11540115115 |
7 | 1661412521 |
oct | 461346327 |
9 | 176601882 |
10 | 80071895 |
11 | 41220222 |
12 | 22995a9b |
13 | 13787027 |
14 | a8c4a11 |
15 | 706a015 |
hex | 4c5ccd7 |
80071895 has 8 divisors (see below), whose sum is σ = 96339456. Its totient is φ = 63888736.
The previous prime is 80071889. The next prime is 80071907. The reversal of 80071895 is 59817008.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80071895 - 210 = 80070871 is a prime.
It is a Duffinian number.
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, 18992 + ... + 22821.
It is an arithmetic number, because the mean of its divisors is an integer number (12042432).
Almost surely, 280071895 is an apocalyptic number.
80071895 is a deficient number, since it is larger than the sum of its proper divisors (16267561).
80071895 is a wasteful number, since it uses less digits than its factorization.
80071895 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42201.
The product of its (nonzero) digits is 20160, while the sum is 38.
The square root of 80071895 is about 8948.2900601176. The cubic root of 80071895 is about 431.0159769272.
The spelling of 80071895 in words is "eighty million, seventy-one thousand, eight hundred ninety-five".
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