Base | Representation |
---|---|
bin | 1100111110111011111011… |
… | …01011001001110010111110 |
3 | 10202002102111021120200022010 |
4 | 12133131331223021302332 |
5 | 12220233422024041310 |
6 | 140420011500232050 |
7 | 6004503231336534 |
oct | 637357553116276 |
9 | 122072437520263 |
10 | 28550756080830 |
11 | 9108342544505 |
12 | 32513b253b626 |
13 | 12c142b60bb89 |
14 | 709c14a26154 |
15 | 347a0d873320 |
hex | 19f77dac9cbe |
28550756080830 has 32 divisors (see below), whose sum is σ = 69187074937344. Its totient is φ = 7539617138976.
The previous prime is 28550756080829. The next prime is 28550756080831. The reversal of 28550756080830 is 3808065705582.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (28550756080829) and next prime (28550756080831).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28550756080831) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4619860354 + ... + 4619866533.
It is an arithmetic number, because the mean of its divisors is an integer number (2162096091792).
Almost surely, 228550756080830 is an apocalyptic number.
28550756080830 is an abundant number, since it is smaller than the sum of its proper divisors (40636318856514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28550756080830 is a wasteful number, since it uses less digits than its factorization.
28550756080830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9239727000.
The product of its (nonzero) digits is 16128000, while the sum is 57.
The spelling of 28550756080830 in words is "twenty-eight trillion, five hundred fifty billion, seven hundred fifty-six million, eighty thousand, eight hundred thirty".
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