Base | Representation |
---|---|
bin | 10010000101000110100… |
… | …111111100010101011101 |
3 | 11101202221010000222222221 |
4 | 102011012213330111131 |
5 | 130323444142040123 |
6 | 2350433055505341 |
7 | 155522404234213 |
oct | 22050647742535 |
9 | 4352833028887 |
10 | 1242430424413 |
11 | 439a03647a52 |
12 | 18095b528251 |
13 | 90212049109 |
14 | 441c37d4cb3 |
15 | 224b9c5825d |
hex | 121469fc55d |
1242430424413 has 4 divisors (see below), whose sum is σ = 1242433706560. Its totient is φ = 1242427142268.
The previous prime is 1242430424341. The next prime is 1242430424423. The reversal of 1242430424413 is 3144240342421.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1242430424413 - 217 = 1242430293341 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1242430424423) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 986133 + ... + 1859386.
It is an arithmetic number, because the mean of its divisors is an integer number (310608426640).
Almost surely, 21242430424413 is an apocalyptic number.
It is an amenable number.
1242430424413 is a deficient number, since it is larger than the sum of its proper divisors (3282147).
1242430424413 is an equidigital number, since it uses as much as digits as its factorization.
1242430424413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3282146.
The product of its (nonzero) digits is 73728, while the sum is 34.
Adding to 1242430424413 its reverse (3144240342421), we get a palindrome (4386670766834).
The spelling of 1242430424413 in words is "one trillion, two hundred forty-two billion, four hundred thirty million, four hundred twenty-four thousand, four hundred thirteen".
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