Base | Representation |
---|---|
bin | 1100001011001… |
… | …00101010101001 |
3 | 21010011110001211 |
4 | 12011210222221 |
5 | 202120433301 |
6 | 14044513121 |
7 | 2350020124 |
oct | 605445251 |
9 | 233143054 |
10 | 102124201 |
11 | 52712473 |
12 | 2a24b7a1 |
13 | 1820862a |
14 | d7c53bb |
15 | 8e74051 |
hex | 6164aa9 |
102124201 has 2 divisors, whose sum is σ = 102124202. Its totient is φ = 102124200.
The previous prime is 102124189. The next prime is 102124223. The reversal of 102124201 is 102421201.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 63186601 + 38937600 = 7949^2 + 6240^2 .
It is an emirp because it is prime and its reverse (102421201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 102124201 - 27 = 102124073 is a prime.
It is not a weakly prime, because it can be changed into another prime (102124241) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51062100 + 51062101.
It is an arithmetic number, because the mean of its divisors is an integer number (51062101).
Almost surely, 2102124201 is an apocalyptic number.
It is an amenable number.
102124201 is a deficient number, since it is larger than the sum of its proper divisors (1).
102124201 is an equidigital number, since it uses as much as digits as its factorization.
102124201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 102124201 is about 10105.6519334479. The cubic root of 102124201 is about 467.4224390188.
Adding to 102124201 its reverse (102421201), we get a palindrome (204545402).
The spelling of 102124201 in words is "one hundred two million, one hundred twenty-four thousand, two hundred one".
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