Base | Representation |
---|---|
bin | 111100011101000… |
… | …0000010011110111 |
3 | 12020100221000211200 |
4 | 1320322000103313 |
5 | 13123242042133 |
6 | 533141103543 |
7 | 101160503130 |
oct | 17072002367 |
9 | 5210830750 |
10 | 2028471543 |
11 | 95102376a |
12 | 4873b7bb3 |
13 | 264335727 |
14 | 15358ac87 |
15 | bd138913 |
hex | 78e804f7 |
2028471543 has 24 divisors (see below), whose sum is σ = 3419839488. Its totient is φ = 1134462672.
The previous prime is 2028471541. The next prime is 2028471553. The reversal of 2028471543 is 3451748202.
It is a happy number.
2028471543 is a `hidden beast` number, since 20 + 28 + 4 + 71 + 543 = 666.
It is not a de Polignac number, because 2028471543 - 21 = 2028471541 is a prime.
It is a super-2 number, since 2×20284715432 = 8229393601521601698, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2028471498 and 2028471507.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2028471541) 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, 339571 + ... + 345492.
It is an arithmetic number, because the mean of its divisors is an integer number (142493312).
Almost surely, 22028471543 is an apocalyptic number.
2028471543 is a deficient number, since it is larger than the sum of its proper divisors (1391367945).
2028471543 is a wasteful number, since it uses less digits than its factorization.
2028471543 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 685123 (or 685120 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 36.
The square root of 2028471543 is about 45038.5561824533. The cubic root of 2028471543 is about 1265.8715513234.
The spelling of 2028471543 in words is "two billion, twenty-eight million, four hundred seventy-one thousand, five hundred forty-three".
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