Base | Representation |
---|---|
bin | 1100001100101… |
… | …01001111000111 |
3 | 21010112112222001 |
4 | 12012111033013 |
5 | 202143320033 |
6 | 14053050131 |
7 | 2351506126 |
oct | 606251707 |
9 | 233475861 |
10 | 102323143 |
11 | 5283898a |
12 | 2a326947 |
13 | 18278050 |
14 | d837abd |
15 | 8eb2e7d |
hex | 61953c7 |
102323143 has 8 divisors (see below), whose sum is σ = 110550608. Its totient is φ = 94146624.
The previous prime is 102323131. The next prime is 102323149. The reversal of 102323143 is 341323201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 102323143 - 29 = 102322631 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 102323143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102323149) 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, 8505 + ... + 16642.
It is an arithmetic number, because the mean of its divisors is an integer number (13818826).
Almost surely, 2102323143 is an apocalyptic number.
102323143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
102323143 is a deficient number, since it is larger than the sum of its proper divisors (8227465).
102323143 is a wasteful number, since it uses less digits than its factorization.
102323143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25473.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 102323143 is about 10115.4902501065. The cubic root of 102323143 is about 467.7257613019.
Adding to 102323143 its reverse (341323201), we get a palindrome (443646344).
The spelling of 102323143 in words is "one hundred two million, three hundred twenty-three thousand, one hundred forty-three".
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