Base | Representation |
---|---|
bin | 1100001100100… |
… | …10110010110111 |
3 | 21010112001020200 |
4 | 12012102302313 |
5 | 202143010033 |
6 | 14052531543 |
7 | 2351435022 |
oct | 606226267 |
9 | 233461220 |
10 | 102313143 |
11 | 52831419 |
12 | 2a320bb3 |
13 | 1827362a |
14 | d8341b9 |
15 | 8eb0013 |
hex | 6192cb7 |
102313143 has 12 divisors (see below), whose sum is σ = 147987840. Its totient is φ = 68115456.
The previous prime is 102313121. The next prime is 102313147. The reversal of 102313143 is 341313201.
It is not a de Polignac number, because 102313143 - 25 = 102313111 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102313147) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471 + ... + 14312.
It is an arithmetic number, because the mean of its divisors is an integer number (12332320).
Almost surely, 2102313143 is an apocalyptic number.
102313143 is a deficient number, since it is larger than the sum of its proper divisors (45674697).
102313143 is a wasteful number, since it uses less digits than its factorization.
102313143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15558 (or 15555 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 102313143 is about 10114.9959466131. The cubic root of 102313143 is about 467.7105239214.
Adding to 102313143 its reverse (341313201), we get a palindrome (443626344).
The spelling of 102313143 in words is "one hundred two million, three hundred thirteen thousand, one hundred forty-three".
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