Base | Representation |
---|---|
bin | 11001000010101001… |
… | …000000010100100000 |
3 | 2120101212020021010110 |
4 | 121002221000110200 |
5 | 420031242133443 |
6 | 20204015531320 |
7 | 1641206643021 |
oct | 310251002440 |
9 | 76355207113 |
10 | 26887849248 |
11 | 10448543117 |
12 | 5264829b40 |
13 | 26c66a4590 |
14 | 1430daac48 |
15 | a757d0233 |
hex | 642a40520 |
26887849248 has 48 divisors (see below), whose sum is σ = 76009885056. Its totient is φ = 8273184000.
The previous prime is 26887849223. The next prime is 26887849249. The reversal of 26887849248 is 84294878862.
It is a tau number, because it is divible by the number of its divisors (48).
It is not an unprimeable number, because it can be changed into a prime (26887849249) 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, 10771128 + ... + 10773623.
It is an arithmetic number, because the mean of its divisors is an integer number (1583539272).
Almost surely, 226887849248 is an apocalyptic number.
It is an amenable number.
26887849248 is an abundant number, since it is smaller than the sum of its proper divisors (49122035808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26887849248 is a wasteful number, since it uses less digits than its factorization.
26887849248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21544777 (or 21544769 counting only the distinct ones).
The product of its digits is 99090432, while the sum is 66.
The spelling of 26887849248 in words is "twenty-six billion, eight hundred eighty-seven million, eight hundred forty-nine thousand, two hundred forty-eight".
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