Base | Representation |
---|---|
bin | 100111111111111… |
… | …0010010000110101 |
3 | 10110112102210220200 |
4 | 1033333302100311 |
5 | 10222040333023 |
6 | 341102151113 |
7 | 45154561152 |
oct | 11777622065 |
9 | 3415383820 |
10 | 1342121013 |
11 | 629657422 |
12 | 315582499 |
13 | 18509505c |
14 | ca367229 |
15 | 7cc60743 |
hex | 4fff2435 |
1342121013 has 6 divisors (see below), whose sum is σ = 1938619254. Its totient is φ = 894747336.
The previous prime is 1342120999. The next prime is 1342121029. The reversal of 1342121013 is 3101212431.
It can be written as a sum of positive squares in only one way, i.e., 726733764 + 615387249 = 26958^2 + 24807^2 .
It is not a de Polignac number, because 1342121013 - 28 = 1342120757 is a prime.
It is a super-2 number, since 2×13421210132 = 3602577627072292338, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1342121063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74562270 + ... + 74562287.
It is an arithmetic number, because the mean of its divisors is an integer number (323103209).
Almost surely, 21342121013 is an apocalyptic number.
It is an amenable number.
1342121013 is a deficient number, since it is larger than the sum of its proper divisors (596498241).
1342121013 is a wasteful number, since it uses less digits than its factorization.
1342121013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 149124563 (or 149124560 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 1342121013 is about 36634.9698102783. The cubic root of 1342121013 is about 1103.0551467060.
Adding to 1342121013 its reverse (3101212431), we get a palindrome (4443333444).
The spelling of 1342121013 in words is "one billion, three hundred forty-two million, one hundred twenty-one thousand, thirteen".
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