Base | Representation |
---|---|
bin | 11010010110111101… |
… | …101100101100000000 |
3 | 2201001110021000102222 |
4 | 122112331230230000 |
5 | 430430423410000 |
6 | 21000234030212 |
7 | 2021235535121 |
oct | 322675545400 |
9 | 81043230388 |
10 | 28302560000 |
11 | 1100406a260 |
12 | 559a578368 |
13 | 2890803b30 |
14 | 1526c2c048 |
15 | b09acda85 |
hex | 696f6cb00 |
28302560000 has 360 divisors, whose sum is σ = 83004542544. Its totient is φ = 9492480000.
The previous prime is 28302559991. The next prime is 28302560003. The reversal of 28302560000 is 6520382.
It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is not an unprimeable number, because it can be changed into a prime (28302560003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22879382 + ... + 22880618.
Almost surely, 228302560000 is an apocalyptic number.
28302560000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28302560000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41502271272).
28302560000 is an abundant number, since it is smaller than the sum of its proper divisors (54701982544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28302560000 is a wasteful number, since it uses less digits than its factorization.
28302560000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1297 (or 1268 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 26.
The spelling of 28302560000 in words is "twenty-eight billion, three hundred two million, five hundred sixty thousand".
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