Base | Representation |
---|---|
bin | 110110110111000… |
… | …1000000001000111 |
3 | 11202021210201212100 |
4 | 1231232020001013 |
5 | 12232221324012 |
6 | 502354523143 |
7 | 63421416123 |
oct | 15556100107 |
9 | 4667721770 |
10 | 1840808007 |
11 | 8650a7335 |
12 | 4345964b3 |
13 | 2344aa60c |
14 | 13669a583 |
15 | ab9198dc |
hex | 6db88047 |
1840808007 has 12 divisors (see below), whose sum is σ = 2660025160. Its totient is φ = 1226706768.
The previous prime is 1840808003. The next prime is 1840808009. The reversal of 1840808007 is 7008080481.
It is not a de Polignac number, because 1840808007 - 22 = 1840808003 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1840808003) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17428 + ... + 63129.
Almost surely, 21840808007 is an apocalyptic number.
1840808007 is a deficient number, since it is larger than the sum of its proper divisors (819217153).
1840808007 is a wasteful number, since it uses less digits than its factorization.
1840808007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83102 (or 83099 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 36.
The square root of 1840808007 is about 42904.6385254555. The cubic root of 1840808007 is about 1225.5644783193.
Adding to 1840808007 its reverse (7008080481), we get a palindrome (8848888488).
The spelling of 1840808007 in words is "one billion, eight hundred forty million, eight hundred eight thousand, seven".
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