Base | Representation |
---|---|
bin | 110000011010100101… |
… | …0110101010101100010 |
3 | 100221100221020121121220 |
4 | 1200311022311111202 |
5 | 3200413114404313 |
6 | 115432544355510 |
7 | 10340335010301 |
oct | 1406512652542 |
9 | 327327217556 |
10 | 103971247458 |
11 | 401040710a1 |
12 | 18197915b96 |
13 | 9a5c4a4c00 |
14 | 506464c438 |
15 | 2a87bd0823 |
hex | 18352b5562 |
103971247458 has 48 divisors (see below), whose sum is σ = 225399723840. Its totient is φ = 31958302272.
The previous prime is 103971247451. The next prime is 103971247459. The reversal of 103971247458 is 854742179301.
It is a self number, because there is not a number n which added to its sum of digits gives 103971247458.
It is not an unprimeable number, because it can be changed into a prime (103971247451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 944608 + ... + 1048916.
It is an arithmetic number, because the mean of its divisors is an integer number (4695827580).
Almost surely, 2103971247458 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 103971247458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112699861920).
103971247458 is an abundant number, since it is smaller than the sum of its proper divisors (121428476382).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103971247458 is a wasteful number, since it uses less digits than its factorization.
103971247458 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105323 (or 105310 counting only the distinct ones).
The product of its (nonzero) digits is 1693440, while the sum is 51.
The spelling of 103971247458 in words is "one hundred three billion, nine hundred seventy-one million, two hundred forty-seven thousand, four hundred fifty-eight".
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