Base | Representation |
---|---|
bin | 1001111001001111… |
… | …0101110000010001 |
3 | 20212002201211110221 |
4 | 2132103311300101 |
5 | 20414414013131 |
6 | 1115315153041 |
7 | 122550431161 |
oct | 23623656021 |
9 | 6762654427 |
10 | 2656001041 |
11 | 1143274991 |
12 | 6215a5781 |
13 | 33434c965 |
14 | 1b2a5c5a1 |
15 | 108293411 |
hex | 9e4f5c11 |
2656001041 has 4 divisors (see below), whose sum is σ = 2665453284. Its totient is φ = 2646548800.
The previous prime is 2656001039. The next prime is 2656001077. The reversal of 2656001041 is 1401006562.
2656001041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1401006562 = 2 ⋅700503281.
It can be written as a sum of positive squares in 2 ways, for example, as 1855111041 + 800890000 = 43071^2 + 28300^2 .
It is a cyclic number.
It is not a de Polignac number, because 2656001041 - 21 = 2656001039 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2656000997 and 2656001015.
It is not an unprimeable number, because it can be changed into a prime (2656001741) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4725700 + ... + 4726261.
It is an arithmetic number, because the mean of its divisors is an integer number (666363321).
Almost surely, 22656001041 is an apocalyptic number.
It is an amenable number.
2656001041 is a deficient number, since it is larger than the sum of its proper divisors (9452243).
2656001041 is an equidigital number, since it uses as much as digits as its factorization.
2656001041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9452242.
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 2656001041 is about 51536.4050065582. The cubic root of 2656001041 is about 1384.8712954555.
The spelling of 2656001041 in words is "two billion, six hundred fifty-six million, one thousand, forty-one".
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