Base | Representation |
---|---|
bin | 1101001000100101110110… |
… | …01110011000110011001000 |
3 | 10210021010210011120022121200 |
4 | 12210102323032120303020 |
5 | 12241202330302144123 |
6 | 141232234325504200 |
7 | 6040456206401136 |
oct | 644227316306310 |
9 | 123233704508550 |
10 | 28882501209288 |
11 | 9225aaaa70661 |
12 | 32a5757272060 |
13 | 13167ba22005c |
14 | 71bcc5c84756 |
15 | 351477e76143 |
hex | 1a44bb398cc8 |
28882501209288 has 96 divisors (see below), whose sum is σ = 78515678255040. Its totient is φ = 9591564850560.
The previous prime is 28882501209277. The next prime is 28882501209347. The reversal of 28882501209288 is 88290210528882.
28882501209288 is a `hidden beast` number, since 2 + 8 + 8 + 82 + 501 + 20 + 9 + 28 + 8 = 666.
It is a super-2 number, since 2×288825012092882 (a number of 28 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42950095 + ... + 43617377.
It is an arithmetic number, because the mean of its divisors is an integer number (817871648490).
Almost surely, 228882501209288 is an apocalyptic number.
It is an amenable number.
28882501209288 is an abundant number, since it is smaller than the sum of its proper divisors (49633177045752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28882501209288 is a wasteful number, since it uses less digits than its factorization.
28882501209288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 669539 (or 669532 counting only the distinct ones).
The product of its (nonzero) digits is 23592960, while the sum is 63.
The spelling of 28882501209288 in words is "twenty-eight trillion, eight hundred eighty-two billion, five hundred one million, two hundred nine thousand, two hundred eighty-eight".
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