Base | Representation |
---|---|
bin | 1100001011001… |
… | …10010110100011 |
3 | 21010011210112121 |
4 | 12011212112203 |
5 | 202121143412 |
6 | 14045005111 |
7 | 2350046221 |
oct | 605462643 |
9 | 233153477 |
10 | 102131107 |
11 | 52717681 |
12 | 2a253797 |
13 | 1820b810 |
14 | d7c7b11 |
15 | 8e76107 |
hex | 61665a3 |
102131107 has 8 divisors (see below), whose sum is σ = 110097680. Its totient is φ = 94180320.
The previous prime is 102131093. The next prime is 102131111. The reversal of 102131107 is 701131201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 102131107 - 223 = 93742499 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102131177) 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 7 ways as a sum of consecutive naturals, for example, 11869 + ... + 18577.
It is an arithmetic number, because the mean of its divisors is an integer number (13762210).
Almost surely, 2102131107 is an apocalyptic number.
102131107 is a deficient number, since it is larger than the sum of its proper divisors (7966573).
102131107 is a wasteful number, since it uses less digits than its factorization.
102131107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7893.
The product of its (nonzero) digits is 42, while the sum is 16.
The square root of 102131107 is about 10105.9936176509. The cubic root of 102131107 is about 467.4329750347.
Adding to 102131107 its reverse (701131201), we get a palindrome (803262308).
The spelling of 102131107 in words is "one hundred two million, one hundred thirty-one thousand, one hundred seven".
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