Base | Representation |
---|---|
bin | 100111000011000… |
… | …0100000000000101 |
3 | 10101022101200010010 |
4 | 1032012010000011 |
5 | 10140403241401 |
6 | 334002220433 |
7 | 44316422232 |
oct | 11606040005 |
9 | 3338350103 |
10 | 1310212101 |
11 | 612642820 |
12 | 306954719 |
13 | 17b5a2243 |
14 | c601c789 |
15 | 7a05aed6 |
hex | 4e184005 |
1310212101 has 32 divisors (see below), whose sum is σ = 1923932160. Its totient is φ = 786542400.
The previous prime is 1310212087. The next prime is 1310212129. The reversal of 1310212101 is 1012120131.
It is not a de Polignac number, because 1310212101 - 214 = 1310195717 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1310212301) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2137071 + ... + 2137683.
It is an arithmetic number, because the mean of its divisors is an integer number (60122880).
Almost surely, 21310212101 is an apocalyptic number.
1310212101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1310212101 is a deficient number, since it is larger than the sum of its proper divisors (613720059).
1310212101 is a wasteful number, since it uses less digits than its factorization.
1310212101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1137.
The product of its (nonzero) digits is 12, while the sum is 12.
The square root of 1310212101 is about 36196.8520868873. The cubic root of 1310212101 is about 1094.2432309908.
Adding to 1310212101 its reverse (1012120131), we get a palindrome (2322332232).
The spelling of 1310212101 in words is "one billion, three hundred ten million, two hundred twelve thousand, one hundred one".
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