Base | Representation |
---|---|
bin | 100111000011011… |
… | …0111000011011101 |
3 | 10101022210021222000 |
4 | 1032012313003131 |
5 | 10140431434323 |
6 | 334010512513 |
7 | 44321253003 |
oct | 11606670335 |
9 | 3338707860 |
10 | 1310421213 |
11 | 612775942 |
12 | 306a35739 |
13 | 17b64648a |
14 | c6074a73 |
15 | 7a09ce43 |
hex | 4e1b70dd |
1310421213 has 16 divisors (see below), whose sum is σ = 1988716800. Its totient is φ = 852305760.
The previous prime is 1310421191. The next prime is 1310421239. The reversal of 1310421213 is 3121240131.
1310421213 is a `hidden beast` number, since 1 + 31 + 0 + 421 + 213 = 666.
It is not a de Polignac number, because 1310421213 - 28 = 1310420957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1310421253) 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 15 ways as a sum of consecutive naturals, for example, 590773 + ... + 592986.
It is an arithmetic number, because the mean of its divisors is an integer number (124294800).
Almost surely, 21310421213 is an apocalyptic number.
It is an amenable number.
1310421213 is a deficient number, since it is larger than the sum of its proper divisors (678295587).
1310421213 is a wasteful number, since it uses less digits than its factorization.
1310421213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1183809 (or 1183803 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 1310421213 is about 36199.7405101197. The cubic root of 1310421213 is about 1094.3014422321.
Adding to 1310421213 its reverse (3121240131), we get a palindrome (4431661344).
The spelling of 1310421213 in words is "one billion, three hundred ten million, four hundred twenty-one thousand, two hundred thirteen".
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