Base | Representation |
---|---|
bin | 1100001010001… |
… | …10011001010111 |
3 | 21002221010222202 |
4 | 12011012121113 |
5 | 202103001330 |
6 | 14042115115 |
7 | 2345662502 |
oct | 605063127 |
9 | 232833882 |
10 | 102000215 |
11 | 526382a9 |
12 | 2a1aba9b |
13 | 18194075 |
14 | d792139 |
15 | 8e4c445 |
hex | 6146657 |
102000215 has 8 divisors (see below), whose sum is σ = 122471568. Its totient is φ = 81552640.
The previous prime is 102000209. The next prime is 102000247. The reversal of 102000215 is 512000201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 102000215 - 218 = 101738071 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102000196 and 102000205.
It is a congruent number.
It is an unprimeable number.
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, 5504 + ... + 15306.
It is an arithmetic number, because the mean of its divisors is an integer number (15308946).
Almost surely, 2102000215 is an apocalyptic number.
102000215 is a deficient number, since it is larger than the sum of its proper divisors (20471353).
102000215 is an equidigital number, since it uses as much as digits as its factorization.
102000215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11889.
The product of its (nonzero) digits is 20, while the sum is 11.
The square root of 102000215 is about 10099.5155824426. The cubic root of 102000215 is about 467.2332011198.
Adding to 102000215 its reverse (512000201), we get a palindrome (614000416).
The spelling of 102000215 in words is "one hundred two million, two hundred fifteen", and thus it is an aban number.
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