Base | Representation |
---|---|
bin | 1001100111000… |
… | …00111010001101 |
3 | 12121200120020212 |
4 | 10303200322031 |
5 | 131114104010 |
6 | 11555452205 |
7 | 1666125224 |
oct | 463407215 |
9 | 177616225 |
10 | 80613005 |
11 | 4155a820 |
12 | 22bb7065 |
13 | 13916405 |
14 | a9c5cbb |
15 | 7125505 |
hex | 4ce0e8d |
80613005 has 8 divisors (see below), whose sum is σ = 105529824. Its totient is φ = 58627600.
The previous prime is 80612941. The next prime is 80613019. The reversal of 80613005 is 50031608.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80613005 - 26 = 80612941 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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, 732791 + ... + 732900.
It is an arithmetic number, because the mean of its divisors is an integer number (13191228).
Almost surely, 280613005 is an apocalyptic number.
It is an amenable number.
80613005 is a deficient number, since it is larger than the sum of its proper divisors (24916819).
80613005 is a wasteful number, since it uses less digits than its factorization.
80613005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1465707.
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 80613005 is about 8978.4745363564. The cubic root of 80613005 is about 431.9847048911.
The spelling of 80613005 in words is "eighty million, six hundred thirteen thousand, five".
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