Base | Representation |
---|---|
bin | 100101101010011101… |
… | …0111001011011111101 |
3 | 21201202210001001021201 |
4 | 1023110322321123331 |
5 | 2311121143330413 |
6 | 101053445455501 |
7 | 5562215301304 |
oct | 1132472713375 |
9 | 251683031251 |
10 | 80881620733 |
11 | 31335625861 |
12 | 13813111591 |
13 | 781c9949a4 |
14 | 3cb3cad43b |
15 | 2185ab99dd |
hex | 12d4eb96fd |
80881620733 has 8 divisors (see below), whose sum is σ = 85142937600. Its totient is φ = 76620742848.
The previous prime is 80881620667. The next prime is 80881620739. The reversal of 80881620733 is 33702618808.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-80881620733 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 (80881620739) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309573 + ... + 507541.
It is an arithmetic number, because the mean of its divisors is an integer number (10642867200).
Almost surely, 280881620733 is an apocalyptic number.
It is an amenable number.
80881620733 is a deficient number, since it is larger than the sum of its proper divisors (4261316867).
80881620733 is a wasteful number, since it uses less digits than its factorization.
80881620733 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 219491.
The product of its (nonzero) digits is 387072, while the sum is 46.
The spelling of 80881620733 in words is "eighty billion, eight hundred eighty-one million, six hundred twenty thousand, seven hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •