Base | Representation |
---|---|
bin | 100111001000101… |
… | …0010000110001111 |
3 | 10101111221002211222 |
4 | 1032101102012033 |
5 | 10142131402143 |
6 | 334145233555 |
7 | 44353422431 |
oct | 11621220617 |
9 | 3344832758 |
10 | 1313153423 |
11 | 61427166a |
12 | 3079328bb |
13 | 17c091c7a |
14 | c6586651 |
15 | 7a43c768 |
hex | 4e45218f |
1313153423 has 4 divisors (see below), whose sum is σ = 1390397760. Its totient is φ = 1235909088.
The previous prime is 1313153381. The next prime is 1313153483. The reversal of 1313153423 is 3243513131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3243513131 = 22777 ⋅142403.
It is a cyclic number.
It is not a de Polignac number, because 1313153423 - 214 = 1313137039 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1313153392 and 1313153401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1313153483) 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, 38622143 + ... + 38622176.
It is an arithmetic number, because the mean of its divisors is an integer number (347599440).
Almost surely, 21313153423 is an apocalyptic number.
1313153423 is a deficient number, since it is larger than the sum of its proper divisors (77244337).
1313153423 is an equidigital number, since it uses as much as digits as its factorization.
1313153423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77244336.
The product of its digits is 3240, while the sum is 26.
The square root of 1313153423 is about 36237.4588375068. The cubic root of 1313153423 is about 1095.0614487037.
Adding to 1313153423 its reverse (3243513131), we get a palindrome (4556666554).
The spelling of 1313153423 in words is "one billion, three hundred thirteen million, one hundred fifty-three thousand, four hundred twenty-three".
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