Base | Representation |
---|---|
bin | 111100101111011111… |
… | …0011000110000101110 |
3 | 110110200202110002120221 |
4 | 1321132332120300232 |
5 | 4114121230302114 |
6 | 135531402001554 |
7 | 12265325242132 |
oct | 1713676306056 |
9 | 413622402527 |
10 | 130442431534 |
11 | 50358396528 |
12 | 21344aa62ba |
13 | c3ba75163c |
14 | 64561573c2 |
15 | 35d6b09524 |
hex | 1e5ef98c2e |
130442431534 has 4 divisors (see below), whose sum is σ = 195663647304. Its totient is φ = 65221215766.
The previous prime is 130442431531. The next prime is 130442431543. The reversal of 130442431534 is 435134244031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 435134244031 = 419 ⋅1038506549.
It is a self number, because there is not a number n which added to its sum of digits gives 130442431534.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130442431531) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32610607882 + ... + 32610607885.
It is an arithmetic number, because the mean of its divisors is an integer number (48915911826).
Almost surely, 2130442431534 is an apocalyptic number.
130442431534 is a deficient number, since it is larger than the sum of its proper divisors (65221215770).
130442431534 is an equidigital number, since it uses as much as digits as its factorization.
130442431534 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65221215769.
The product of its (nonzero) digits is 69120, while the sum is 34.
Adding to 130442431534 its reverse (435134244031), we get a palindrome (565576675565).
The spelling of 130442431534 in words is "one hundred thirty billion, four hundred forty-two million, four hundred thirty-one thousand, five hundred thirty-four".
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