Base | Representation |
---|---|
bin | 1100001011010… |
… | …00110101001101 |
3 | 21010012022110200 |
4 | 12011220311031 |
5 | 202122010021 |
6 | 14045124113 |
7 | 2350120635 |
oct | 605506515 |
9 | 233168420 |
10 | 102141261 |
11 | 52724272 |
12 | 2a259639 |
13 | 18213321 |
14 | d7cb6c5 |
15 | 8e79126 |
hex | 6168d4d |
102141261 has 12 divisors (see below), whose sum is σ = 148312320. Its totient is φ = 67736520.
The previous prime is 102141251. The next prime is 102141269. The reversal of 102141261 is 162141201.
It is not a de Polignac number, because 102141261 - 27 = 102141133 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102141269) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27991 + ... + 31428.
It is an arithmetic number, because the mean of its divisors is an integer number (12359360).
Almost surely, 2102141261 is an apocalyptic number.
It is an amenable number.
102141261 is a deficient number, since it is larger than the sum of its proper divisors (46171059).
102141261 is a wasteful number, since it uses less digits than its factorization.
102141261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59616 (or 59613 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
The square root of 102141261 is about 10106.4959803089. The cubic root of 102141261 is about 467.4484654414.
Adding to 102141261 its reverse (162141201), we get a palindrome (264282462).
The spelling of 102141261 in words is "one hundred two million, one hundred forty-one thousand, two hundred sixty-one".
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