Base | Representation |
---|---|
bin | 110000111001010111… |
… | …1110011111101010000 |
3 | 101001000221012201200121 |
4 | 1201302233303331100 |
5 | 3210022103220222 |
6 | 120123251400024 |
7 | 10405051155010 |
oct | 1416257637520 |
9 | 331027181617 |
10 | 105004351312 |
11 | 40594245333 |
12 | 184258b3014 |
13 | 9b95532a73 |
14 | 5121935c40 |
15 | 2ae87505c7 |
hex | 1872bf3f50 |
105004351312 has 40 divisors (see below), whose sum is σ = 236450491200. Its totient is φ = 44239118592.
The previous prime is 105004351289. The next prime is 105004351313. The reversal of 105004351312 is 213153400501.
It is a happy number.
It is a super-2 number, since 2×1050043513122 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105004351313) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7938637 + ... + 7951852.
It is an arithmetic number, because the mean of its divisors is an integer number (5911262280).
Almost surely, 2105004351312 is an apocalyptic number.
It is an amenable number.
105004351312 is an abundant number, since it is smaller than the sum of its proper divisors (131446139888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105004351312 is a wasteful number, since it uses less digits than its factorization.
105004351312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15890563 (or 15890557 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 25.
Adding to 105004351312 its reverse (213153400501), we get a palindrome (318157751813).
The spelling of 105004351312 in words is "one hundred five billion, four million, three hundred fifty-one thousand, three hundred twelve".
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