Base | Representation |
---|---|
bin | 100101101001001001… |
… | …1010100001011011111 |
3 | 21201122201101010202110 |
4 | 1023102103110023133 |
5 | 2311023422040304 |
6 | 101045240125103 |
7 | 5561143012506 |
oct | 1132223241337 |
9 | 251581333673 |
10 | 80837690079 |
11 | 31312850033 |
12 | 13800466793 |
13 | 7813853013 |
14 | 3cac11583d |
15 | 2181cdd289 |
hex | 12d24d42df |
80837690079 has 8 divisors (see below), whose sum is σ = 107989676032. Its totient is φ = 53788748760.
The previous prime is 80837690047. The next prime is 80837690099. The reversal of 80837690079 is 97009673808.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80837690079 - 25 = 80837690047 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80837690009) 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, 25759327 + ... + 25762464.
It is an arithmetic number, because the mean of its divisors is an integer number (13498709504).
Almost surely, 280837690079 is an apocalyptic number.
80837690079 is a deficient number, since it is larger than the sum of its proper divisors (27151985953).
80837690079 is a wasteful number, since it uses less digits than its factorization.
80837690079 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51522317.
The product of its (nonzero) digits is 4572288, while the sum is 57.
The spelling of 80837690079 in words is "eighty billion, eight hundred thirty-seven million, six hundred ninety thousand, seventy-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.030 sec. • engine limits •