Base | Representation |
---|---|
bin | 100101010001011110… |
… | …0100001001110000111 |
3 | 21122121100101002201120 |
4 | 1022202330201032013 |
5 | 2302412023410111 |
6 | 100434335125023 |
7 | 5532354563325 |
oct | 1124274411607 |
9 | 248540332646 |
10 | 80043185031 |
11 | 30a45322697 |
12 | 1361a373773 |
13 | 77180752a4 |
14 | 3c347bad15 |
15 | 213719e406 |
hex | 12a2f21387 |
80043185031 has 4 divisors (see below), whose sum is σ = 106724246712. Its totient is φ = 53362123352.
The previous prime is 80043185029. The next prime is 80043185071. The reversal of 80043185031 is 13058134008.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 80043185031 - 21 = 80043185029 is a prime.
It is a super-2 number, since 2×800431850312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 80043184983 and 80043185001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80043185071) 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 3 ways as a sum of consecutive naturals, for example, 13340530836 + ... + 13340530841.
It is an arithmetic number, because the mean of its divisors is an integer number (26681061678).
Almost surely, 280043185031 is an apocalyptic number.
80043185031 is a deficient number, since it is larger than the sum of its proper divisors (26681061681).
80043185031 is a wasteful number, since it uses less digits than its factorization.
80043185031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26681061680.
The product of its (nonzero) digits is 11520, while the sum is 33.
The spelling of 80043185031 in words is "eighty billion, forty-three million, one hundred eighty-five thousand, thirty-one".
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