Base | Representation |
---|---|
bin | 101001110111110… |
… | …1001100101001011 |
3 | 10121220202101200110 |
4 | 1103233221211023 |
5 | 10334140000021 |
6 | 351230005403 |
7 | 46550205642 |
oct | 12357514513 |
9 | 3556671613 |
10 | 1405000011 |
11 | 6610a4338 |
12 | 332646863 |
13 | 19510c56c |
14 | d4854359 |
15 | 83531476 |
hex | 53be994b |
1405000011 has 64 divisors (see below), whose sum is σ = 2146959360. Its totient is φ = 812592000.
The previous prime is 1404999997. The next prime is 1405000027. The reversal of 1405000011 is 1100005041.
It is a happy number.
It is not a de Polignac number, because 1405000011 - 215 = 1404967243 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1405000061) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7355926 + ... + 7356116.
It is an arithmetic number, because the mean of its divisors is an integer number (33546240).
Almost surely, 21405000011 is an apocalyptic number.
1405000011 is a deficient number, since it is larger than the sum of its proper divisors (741959349).
1405000011 is a wasteful number, since it uses less digits than its factorization.
1405000011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 448.
The product of its (nonzero) digits is 20, while the sum is 12.
The square root of 1405000011 is about 37483.3297747145. The cubic root of 1405000011 is about 1120.0191352492.
Adding to 1405000011 its reverse (1100005041), we get a palindrome (2505005052).
The spelling of 1405000011 in words is "one billion, four hundred five million, eleven", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •