Base | Representation |
---|---|
bin | 111101110100100… |
… | …1110100011011001 |
3 | 12100120100200210211 |
4 | 1323221032203121 |
5 | 13222021430311 |
6 | 541501411121 |
7 | 102256103140 |
oct | 17351164331 |
9 | 5316320724 |
10 | 2074405081 |
11 | 974a47271 |
12 | 49a869aa1 |
13 | 2709c8c38 |
14 | 159706757 |
15 | c21ad821 |
hex | 7ba4e8d9 |
2074405081 has 4 divisors (see below), whose sum is σ = 2370748672. Its totient is φ = 1778061492.
The previous prime is 2074405049. The next prime is 2074405103. The reversal of 2074405081 is 1805044702.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2074405081 - 25 = 2074405049 is a prime.
It is a super-2 number, since 2×20744050812 = 8606312880157233122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2074405031) 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, 148171785 + ... + 148171798.
It is an arithmetic number, because the mean of its divisors is an integer number (592687168).
Almost surely, 22074405081 is an apocalyptic number.
It is an amenable number.
2074405081 is a deficient number, since it is larger than the sum of its proper divisors (296343591).
2074405081 is an equidigital number, since it uses as much as digits as its factorization.
2074405081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 296343590.
The product of its (nonzero) digits is 8960, while the sum is 31.
The square root of 2074405081 is about 45545.6373432187. The cubic root of 2074405081 is about 1275.3552937304.
Adding to 2074405081 its reverse (1805044702), we get a palindrome (3879449783).
It can be divided in two parts, 207440 and 5081, that added together give a square (212521 = 4612).
The spelling of 2074405081 in words is "two billion, seventy-four million, four hundred five thousand, eighty-one".
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