Base | Representation |
---|---|
bin | 1001111011101000… |
… | …1111100111001111 |
3 | 20212210200022100020 |
4 | 2132322033213033 |
5 | 20430003142211 |
6 | 1120315033223 |
7 | 123032131155 |
oct | 23672174717 |
9 | 6783608306 |
10 | 2666068431 |
11 | 1148a20744 |
12 | 624a3b813 |
13 | 3364660b0 |
14 | 1b411d3d5 |
15 | 1090d1306 |
hex | 9ee8f9cf |
2666068431 has 8 divisors (see below), whose sum is σ = 3828200880. Its totient is φ = 1640657472.
The previous prime is 2666068421. The next prime is 2666068439. The reversal of 2666068431 is 1348606662.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2666068431 - 215 = 2666035663 is a prime.
It is a super-2 number, since 2×26660684312 = 14215841757549603522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2666068439) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34180326 + ... + 34180403.
It is an arithmetic number, because the mean of its divisors is an integer number (478525110).
Almost surely, 22666068431 is an apocalyptic number.
2666068431 is a deficient number, since it is larger than the sum of its proper divisors (1162132449).
2666068431 is a wasteful number, since it uses less digits than its factorization.
2666068431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68360745.
The product of its (nonzero) digits is 248832, while the sum is 42.
The square root of 2666068431 is about 51633.9852325966. The cubic root of 2666068431 is about 1386.6188425847.
The spelling of 2666068431 in words is "two billion, six hundred sixty-six million, sixty-eight thousand, four hundred thirty-one".
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