Base | Representation |
---|---|
bin | 1010100010011100… |
… | …0010010010001101 |
3 | 21022010220012022020 |
4 | 2220213002102031 |
5 | 21243133232021 |
6 | 1144411040353 |
7 | 130046306442 |
oct | 25047022215 |
9 | 7263805266 |
10 | 2828805261 |
11 | 1221872297 |
12 | 66b4400b9 |
13 | 3610a4489 |
14 | 1cb9a19c9 |
15 | 1185297c6 |
hex | a89c248d |
2828805261 has 24 divisors (see below), whose sum is σ = 3960053760. Its totient is φ = 1795780224.
The previous prime is 2828805251. The next prime is 2828805271. The reversal of 2828805261 is 1625088282.
It is an interprime number because it is at equal distance from previous prime (2828805251) and next prime (2828805271).
It is not a de Polignac number, because 2828805261 - 25 = 2828805229 is a prime.
It is a super-2 number, since 2×28288052612 = 16004278409322556242, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2828805251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176500 + ... + 191858.
It is an arithmetic number, because the mean of its divisors is an integer number (165002240).
Almost surely, 22828805261 is an apocalyptic number.
It is an amenable number.
2828805261 is a deficient number, since it is larger than the sum of its proper divisors (1131248499).
2828805261 is a wasteful number, since it uses less digits than its factorization.
2828805261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15493 (or 15464 counting only the distinct ones).
The product of its (nonzero) digits is 122880, while the sum is 42.
The square root of 2828805261 is about 53186.5139015521. The cubic root of 2828805261 is about 1414.2765822737.
The spelling of 2828805261 in words is "two billion, eight hundred twenty-eight million, eight hundred five thousand, two hundred sixty-one".
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