Base | Representation |
---|---|
bin | 100101011001000101… |
… | …1111001001000111101 |
3 | 21200021011111102020100 |
4 | 1022302023321020331 |
5 | 2303423002422110 |
6 | 100515551311313 |
7 | 5541611106432 |
oct | 1126213711075 |
9 | 250234442210 |
10 | 80298873405 |
11 | 310666910a3 |
12 | 1368bb1b539 |
13 | 7759029b9a |
14 | 3c5a737b89 |
15 | 214e858bc0 |
hex | 12b22f923d |
80298873405 has 48 divisors (see below), whose sum is σ = 146554312320. Its totient is φ = 40559854464.
The previous prime is 80298873313. The next prime is 80298873449. The reversal of 80298873405 is 50437889208.
It is a happy number.
80298873405 is a `hidden beast` number, since 8 + 0 + 298 + 8 + 7 + 340 + 5 = 666.
It is not a de Polignac number, because 80298873405 - 29 = 80298872893 is a prime.
It is a super-4 number, since 4×802988734054 (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 3276979 + ... + 3301391.
It is an arithmetic number, because the mean of its divisors is an integer number (3053214840).
Almost surely, 280298873405 is an apocalyptic number.
It is an amenable number.
80298873405 is a deficient number, since it is larger than the sum of its proper divisors (66255438915).
80298873405 is a wasteful number, since it uses less digits than its factorization.
80298873405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28290 (or 28287 counting only the distinct ones).
The product of its (nonzero) digits is 3870720, while the sum is 54.
The spelling of 80298873405 in words is "eighty billion, two hundred ninety-eight million, eight hundred seventy-three thousand, four hundred five".
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