Base | Representation |
---|---|
bin | 11010011011100101… |
… | …110011011101001110 |
3 | 2201020212022122021211 |
4 | 122123211303131032 |
5 | 431110311313400 |
6 | 21012045445034 |
7 | 2023200366262 |
oct | 323345633516 |
9 | 81225278254 |
10 | 28380182350 |
11 | 11043967063 |
12 | 560057077a |
13 | 28a3910c10 |
14 | 15332760a2 |
15 | b11812dba |
hex | 69b97374e |
28380182350 has 48 divisors (see below), whose sum is σ = 56904170400. Its totient is φ = 10468425600.
The previous prime is 28380182339. The next prime is 28380182357. The reversal of 28380182350 is 5328108382.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28380182357) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 648976 + ... + 691324.
It is an arithmetic number, because the mean of its divisors is an integer number (1185503550).
Almost surely, 228380182350 is an apocalyptic number.
28380182350 is an abundant number, since it is smaller than the sum of its proper divisors (28523988050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28380182350 is a wasteful number, since it uses less digits than its factorization.
28380182350 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43405 (or 43400 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 40.
The spelling of 28380182350 in words is "twenty-eight billion, three hundred eighty million, one hundred eighty-two thousand, three hundred fifty".
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