Base | Representation |
---|---|
bin | 1101001000110001101111… |
… | …10010111100000001011110 |
3 | 10210021202021010221001010101 |
4 | 12210120313302330001132 |
5 | 12241303414322222310 |
6 | 141235212052531314 |
7 | 6041103346346443 |
oct | 644306762740136 |
9 | 123252233831111 |
10 | 28888886132830 |
11 | 92287870aa179 |
12 | 32a6a39620b3a |
13 | 1317296c7c019 |
14 | 71c32dc519ca |
15 | 3516ed79543a |
hex | 1a4637cbc05e |
28888886132830 has 8 divisors (see below), whose sum is σ = 51999995039112. Its totient is φ = 11555554453128.
The previous prime is 28888886132803. The next prime is 28888886132849. The reversal of 28888886132830 is 3823168888882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×288888861328303 (a number of 41 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444444306632 + ... + 1444444306651.
It is an arithmetic number, because the mean of its divisors is an integer number (6499999379889).
Almost surely, 228888886132830 is an apocalyptic number.
28888886132830 is a deficient number, since it is larger than the sum of its proper divisors (23111108906282).
28888886132830 is a wasteful number, since it uses less digits than its factorization.
28888886132830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2888888613290.
The product of its (nonzero) digits is 452984832, while the sum is 73.
The spelling of 28888886132830 in words is "twenty-eight trillion, eight hundred eighty-eight billion, eight hundred eighty-six million, one hundred thirty-two thousand, eight hundred thirty".
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