Base | Representation |
---|---|
bin | 1010000000111111… |
… | …0101000111100000 |
3 | 20221100220011112220 |
4 | 2200033311013200 |
5 | 21001224114123 |
6 | 1122435551040 |
7 | 123423623631 |
oct | 24017650740 |
9 | 6840804486 |
10 | 2688504288 |
11 | 115a655078 |
12 | 63045b480 |
13 | 33acc0152 |
14 | 1b70bd888 |
15 | 10b063ce3 |
hex | a03f51e0 |
2688504288 has 48 divisors (see below), whose sum is σ = 7190494416. Its totient is φ = 879257600.
The previous prime is 2688504281. The next prime is 2688504319. The reversal of 2688504288 is 8824058862.
It is a tau number, because it is divible by the number of its divisors (48).
It is a self number, because there is not a number n which added to its sum of digits gives 2688504288.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2688504281) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259113 + ... + 269288.
It is an arithmetic number, because the mean of its divisors is an integer number (149801967).
Almost surely, 22688504288 is an apocalyptic number.
It is an amenable number.
2688504288 is an abundant number, since it is smaller than the sum of its proper divisors (4501990128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2688504288 is a wasteful number, since it uses less digits than its factorization.
2688504288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 528467 (or 528459 counting only the distinct ones).
The product of its (nonzero) digits is 1966080, while the sum is 51.
The square root of 2688504288 is about 51850.7886921694. The cubic root of 2688504288 is about 1390.4976028413.
The spelling of 2688504288 in words is "two billion, six hundred eighty-eight million, five hundred four thousand, two hundred eighty-eight".
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