Base | Representation |
---|---|
bin | 110000000100100001… |
… | …1110111101001000111 |
3 | 100212110100202112211011 |
4 | 1200021003313221013 |
5 | 3142404143140031 |
6 | 115231311223051 |
7 | 10313110633531 |
oct | 1401103675107 |
9 | 325410675734 |
10 | 103231224391 |
11 | 3a864375889 |
12 | 1800bb17a87 |
13 | 9972091639 |
14 | 4dd4256851 |
15 | 2a42c546b1 |
hex | 18090f7a47 |
103231224391 has 8 divisors (see below), whose sum is σ = 104244809760. Its totient is φ = 102217857312.
The previous prime is 103231224379. The next prime is 103231224491. The reversal of 103231224391 is 193422132301.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-103231224391 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103231224311) 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 7 ways as a sum of consecutive naturals, for example, 994245 + ... + 1093153.
It is an arithmetic number, because the mean of its divisors is an integer number (13030601220).
Almost surely, 2103231224391 is an apocalyptic number.
103231224391 is a deficient number, since it is larger than the sum of its proper divisors (1013585369).
103231224391 is a wasteful number, since it uses less digits than its factorization.
103231224391 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109145.
The product of its (nonzero) digits is 7776, while the sum is 31.
Adding to 103231224391 its reverse (193422132301), we get a palindrome (296653356692).
The spelling of 103231224391 in words is "one hundred three billion, two hundred thirty-one million, two hundred twenty-four thousand, three hundred ninety-one".
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