Base | Representation |
---|---|
bin | 100101011001100001… |
… | …1000100100010101111 |
3 | 21200022011201021222020 |
4 | 1022303003010202233 |
5 | 2303440203304111 |
6 | 100521225321223 |
7 | 5542145052363 |
oct | 1126303044257 |
9 | 250264637866 |
10 | 80313338031 |
11 | 31073870633 |
12 | 13694936213 |
13 | 775c022934 |
14 | 3c5c6212a3 |
15 | 2150c64906 |
hex | 12b30c48af |
80313338031 has 8 divisors (see below), whose sum is σ = 107202518784. Its totient is φ = 53483191320.
The previous prime is 80313337997. The next prime is 80313338059. The reversal of 80313338031 is 13083331308.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80313338031 - 26 = 80313337967 is a prime.
It is a super-2 number, since 2×803133380312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 80313337983 and 80313338001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80313331031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14755335 + ... + 14760776.
It is an arithmetic number, because the mean of its divisors is an integer number (13400314848).
Almost surely, 280313338031 is an apocalyptic number.
80313338031 is a deficient number, since it is larger than the sum of its proper divisors (26889180753).
80313338031 is a wasteful number, since it uses less digits than its factorization.
80313338031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29517021.
The product of its (nonzero) digits is 15552, while the sum is 33.
Adding to 80313338031 its reverse (13083331308), we get a palindrome (93396669339).
The spelling of 80313338031 in words is "eighty billion, three hundred thirteen million, three hundred thirty-eight thousand, thirty-one".
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