Base | Representation |
---|---|
bin | 1111100011001… |
… | …00011100101011 |
3 | 100002102202222201 |
4 | 13301210130223 |
5 | 231342403414 |
6 | 20535401031 |
7 | 3142451362 |
oct | 761443453 |
9 | 302382881 |
10 | 130434859 |
11 | 67699705 |
12 | 37823177 |
13 | 2103b6b9 |
14 | 134747d9 |
15 | b6b7574 |
hex | 7c6472b |
130434859 has 4 divisors (see below), whose sum is σ = 130457704. Its totient is φ = 130412016.
The previous prime is 130434851. The next prime is 130434869. The reversal of 130434859 is 958434031.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 958434031 = 1117 ⋅858043.
It is a cyclic number.
It is not a de Polignac number, because 130434859 - 23 = 130434851 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130434851) 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, 5464 + ... + 17050.
It is an arithmetic number, because the mean of its divisors is an integer number (32614426).
Almost surely, 2130434859 is an apocalyptic number.
130434859 is a deficient number, since it is larger than the sum of its proper divisors (22845).
130434859 is a wasteful number, since it uses less digits than its factorization.
130434859 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22844.
The product of its (nonzero) digits is 51840, while the sum is 37.
The square root of 130434859 is about 11420.8081587951. The cubic root of 130434859 is about 507.1439213172.
It can be divided in two parts, 1304 and 34859, that added together give a palindrome (36163).
The spelling of 130434859 in words is "one hundred thirty million, four hundred thirty-four thousand, eight hundred fifty-nine".
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