Base | Representation |
---|---|
bin | 100101010111001100… |
… | …1010100111110001101 |
3 | 21200002201211212021120 |
4 | 1022232121110332031 |
5 | 2303310213131123 |
6 | 100505400351153 |
7 | 5540206452552 |
oct | 1125631247615 |
9 | 250081755246 |
10 | 80235286413 |
11 | 31033800267 |
12 | 136727754b9 |
13 | 7748ac5349 |
14 | 3c52104a29 |
15 | 2148e982e3 |
hex | 12ae654f8d |
80235286413 has 8 divisors (see below), whose sum is σ = 106982069376. Its totient is φ = 53489347200.
The previous prime is 80235286381. The next prime is 80235286433. The reversal of 80235286413 is 31468253208.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80235286413 - 25 = 80235286381 is a prime.
It is a super-2 number, since 2×802352864132 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80235286433) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61053 + ... + 405213.
It is an arithmetic number, because the mean of its divisors is an integer number (13372758672).
Almost surely, 280235286413 is an apocalyptic number.
It is an amenable number.
80235286413 is a deficient number, since it is larger than the sum of its proper divisors (26746782963).
80235286413 is a wasteful number, since it uses less digits than its factorization.
80235286413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 421875.
The product of its (nonzero) digits is 276480, while the sum is 42.
The spelling of 80235286413 in words is "eighty billion, two hundred thirty-five million, two hundred eighty-six thousand, four hundred thirteen".
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