Base | Representation |
---|---|
bin | 100111000011011… |
… | …0110110010001111 |
3 | 10101022210020110012 |
4 | 1032012312302033 |
5 | 10140431420421 |
6 | 334010503435 |
7 | 44321246540 |
oct | 11606666217 |
9 | 3338706405 |
10 | 1310420111 |
11 | 612775030 |
12 | 306a34b7b |
13 | 17b645b20 |
14 | c60744c7 |
15 | 7a09c95b |
hex | 4e1b6c8f |
1310420111 has 32 divisors (see below), whose sum is σ = 1762553856. Its totient is φ = 940896000.
The previous prime is 1310420107. The next prime is 1310420123. The reversal of 1310420111 is 1110240131.
It is not a de Polignac number, because 1310420111 - 22 = 1310420107 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1310420131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 991331 + ... + 992651.
It is an arithmetic number, because the mean of its divisors is an integer number (55079808).
Almost surely, 21310420111 is an apocalyptic number.
1310420111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1310420111 is a deficient number, since it is larger than the sum of its proper divisors (452133745).
1310420111 is a wasteful number, since it uses less digits than its factorization.
1310420111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2343.
The product of its (nonzero) digits is 24, while the sum is 14.
The square root of 1310420111 is about 36199.7252890129. The cubic root of 1310420111 is about 1094.3011354807.
Adding to 1310420111 its reverse (1110240131), we get a palindrome (2420660242).
The spelling of 1310420111 in words is "one billion, three hundred ten million, four hundred twenty thousand, one hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •