Base | Representation |
---|---|
bin | 1101000100111111010011… |
… | …10011010100001011001110 |
3 | 10202211022022020112210102001 |
4 | 12202133221303110023032 |
5 | 12232140334004340110 |
6 | 141055324425022514 |
7 | 6025515050445565 |
oct | 642375163241316 |
9 | 122738266483361 |
10 | 28758728590030 |
11 | 918856560688a |
12 | 3285774024a3a |
13 | 1307c235672ca |
14 | 715d03896bdc |
15 | 34d131bb263a |
hex | 1a27e9cd42ce |
28758728590030 has 16 divisors (see below), whose sum is σ = 52278243260544. Its totient is φ = 11389595480800.
The previous prime is 28758728589979. The next prime is 28758728590103. The reversal of 28758728590030 is 3009582785782.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14236993342 + ... + 14236995361.
It is an arithmetic number, because the mean of its divisors is an integer number (3267390203784).
Almost surely, 228758728590030 is an apocalyptic number.
28758728590030 is a deficient number, since it is larger than the sum of its proper divisors (23519514670514).
28758728590030 is a wasteful number, since it uses less digits than its factorization.
28758728590030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28473988811.
The product of its (nonzero) digits is 67737600, while the sum is 64.
The spelling of 28758728590030 in words is "twenty-eight trillion, seven hundred fifty-eight billion, seven hundred twenty-eight million, five hundred ninety thousand, thirty".
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