Base | Representation |
---|---|
bin | 1100001011011… |
… | …01011101010111 |
3 | 21010020021110200 |
4 | 12011231131113 |
5 | 202123111330 |
6 | 14045351543 |
7 | 2350230123 |
oct | 605553527 |
9 | 233207420 |
10 | 102160215 |
11 | 52737533 |
12 | 2a2685b3 |
13 | 1821bb41 |
14 | d7d4583 |
15 | 8e7ea60 |
hex | 616d757 |
102160215 has 48 divisors (see below), whose sum is σ = 181610208. Its totient is φ = 53111808.
The previous prime is 102160199. The next prime is 102160229. The reversal of 102160215 is 512061201.
It is not a de Polignac number, because 102160215 - 24 = 102160199 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 449932 + ... + 450158.
It is an arithmetic number, because the mean of its divisors is an integer number (3783546).
Almost surely, 2102160215 is an apocalyptic number.
102160215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
102160215 is a deficient number, since it is larger than the sum of its proper divisors (79449993).
102160215 is a wasteful number, since it uses less digits than its factorization.
102160215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 448 (or 445 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 102160215 is about 10107.4336505366. The cubic root of 102160215 is about 467.4773779172.
The spelling of 102160215 in words is "one hundred two million, one hundred sixty thousand, two hundred fifteen".
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