Base | Representation |
---|---|
bin | 101111011111111011… |
… | …1011111100010000111 |
3 | 100202021210002122020012 |
4 | 1132333313133202013 |
5 | 3132400312240033 |
6 | 114505403300435 |
7 | 10240510155344 |
oct | 1367767374207 |
9 | 322253078205 |
10 | 102003243143 |
11 | 3a29419834a |
12 | 1792881a71b |
13 | 9807851009 |
14 | 4d191217cb |
15 | 29c003d248 |
hex | 17bfddf887 |
102003243143 has 4 divisors (see below), whose sum is σ = 104173524960. Its totient is φ = 99832961328.
The previous prime is 102003243127. The next prime is 102003243157. The reversal of 102003243143 is 341342300201.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 102003243143 - 24 = 102003243127 is a prime.
It is a super-2 number, since 2×1020032431432 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102003243103) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085140838 + ... + 1085140931.
It is an arithmetic number, because the mean of its divisors is an integer number (26043381240).
Almost surely, 2102003243143 is an apocalyptic number.
102003243143 is a deficient number, since it is larger than the sum of its proper divisors (2170281817).
102003243143 is an equidigital number, since it uses as much as digits as its factorization.
102003243143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2170281816.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 102003243143 its reverse (341342300201), we get a palindrome (443345543344).
The spelling of 102003243143 in words is "one hundred two billion, three million, two hundred forty-three thousand, one hundred forty-three".
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