Base | Representation |
---|---|
bin | 1101001111000001… |
… | …01001100100001110 |
3 | 200100011220201100120 |
4 | 12213200221210032 |
5 | 104022430234410 |
6 | 3133015405410 |
7 | 341035143150 |
oct | 64740514416 |
9 | 20304821316 |
10 | 7105321230 |
11 | 3016850007 |
12 | 1463683866 |
13 | 8930907b7 |
14 | 4b5934ad0 |
15 | 2b8bc0570 |
hex | 1a782990e |
7105321230 has 128 divisors (see below), whose sum is σ = 20565964800. Its totient is φ = 1535913984.
The previous prime is 7105321219. The next prime is 7105321259. The reversal of 7105321230 is 321235017.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 7105321230.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 421606 + ... + 438134.
It is an arithmetic number, because the mean of its divisors is an integer number (160671600).
Almost surely, 27105321230 is an apocalyptic number.
7105321230 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 7105321230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10282982400).
7105321230 is an abundant number, since it is smaller than the sum of its proper divisors (13460643570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7105321230 is a wasteful number, since it uses less digits than its factorization.
7105321230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16658.
The product of its (nonzero) digits is 1260, while the sum is 24.
The square root of 7105321230 is about 84293.0675085443. The cubic root of 7105321230 is about 1922.4773820210.
Adding to 7105321230 its reverse (321235017), we get a palindrome (7426556247).
The spelling of 7105321230 in words is "seven billion, one hundred five million, three hundred twenty-one thousand, two hundred thirty".
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