Base | Representation |
---|---|
bin | 1100001010011… |
… | …00011110110111 |
3 | 21002222102012000 |
4 | 12011030132313 |
5 | 202104301033 |
6 | 14042430343 |
7 | 2346125253 |
oct | 605143667 |
9 | 232872160 |
10 | 102025143 |
11 | 52655000 |
12 | 2a2023b3 |
13 | 181a250c |
14 | d79b263 |
15 | 8e54a13 |
hex | 614c7b7 |
102025143 has 64 divisors (see below), whose sum is σ = 177085440. Its totient is φ = 57847680.
The previous prime is 102025141. The next prime is 102025163. The reversal of 102025143 is 341520201.
It is not a de Polignac number, because 102025143 - 21 = 102025141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102025141) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 610846 + ... + 611012.
It is an arithmetic number, because the mean of its divisors is an integer number (2766960).
Almost surely, 2102025143 is an apocalyptic number.
102025143 is a deficient number, since it is larger than the sum of its proper divisors (75060297).
102025143 is a wasteful number, since it uses less digits than its factorization.
102025143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 226 (or 198 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 102025143 is about 10100.7496256466. The cubic root of 102025143 is about 467.2712606492.
Adding to 102025143 its reverse (341520201), we get a palindrome (443545344).
The spelling of 102025143 in words is "one hundred two million, twenty-five thousand, one hundred forty-three".
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