Base | Representation |
---|---|
bin | 11010001001001000… |
… | …001000001100011000 |
3 | 2200110021102201201220 |
4 | 122021020020030120 |
5 | 424442011204310 |
6 | 20521222212040 |
7 | 2012416401003 |
oct | 321110101430 |
9 | 80407381656 |
10 | 28070413080 |
11 | 109a501a8a6 |
12 | 5534884020 |
13 | 28546a25a8 |
14 | 150407c53a |
15 | ae4524670 |
hex | 689208318 |
28070413080 has 64 divisors (see below), whose sum is σ = 84747673440. Its totient is φ = 7437760512.
The previous prime is 28070413051. The next prime is 28070413099. The reversal of 28070413080 is 8031407082.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726129 + ... + 763808.
Almost surely, 228070413080 is an apocalyptic number.
28070413080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28070413080 is an abundant number, since it is smaller than the sum of its proper divisors (56677260360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28070413080 is a wasteful number, since it uses less digits than its factorization.
28070413080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1490108 (or 1490104 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 33.
The spelling of 28070413080 in words is "twenty-eight billion, seventy million, four hundred thirteen thousand, eighty".
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