Base | Representation |
---|---|
bin | 1100001010111… |
… | …11000011100111 |
3 | 21010010021112210 |
4 | 12011133003213 |
5 | 202114214343 |
6 | 14044214503 |
7 | 2346563130 |
oct | 605370347 |
9 | 233107483 |
10 | 102101223 |
11 | 526a7184 |
12 | 2a23a433 |
13 | 181cb033 |
14 | d7bac87 |
15 | 8e6c333 |
hex | 615f0e7 |
102101223 has 16 divisors (see below), whose sum is σ = 155933696. Its totient is φ = 58212000.
The previous prime is 102101213. The next prime is 102101239. The reversal of 102101223 is 322101201.
It is not a de Polignac number, because 102101223 - 25 = 102101191 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102101199 and 102101208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102101213) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4473 + ... + 14973.
It is an arithmetic number, because the mean of its divisors is an integer number (9745856).
Almost surely, 2102101223 is an apocalyptic number.
102101223 is a deficient number, since it is larger than the sum of its proper divisors (53832473).
102101223 is a wasteful number, since it uses less digits than its factorization.
102101223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10974.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 102101223 is about 10104.5149809380. The cubic root of 102101223 is about 467.3873796228.
Adding to 102101223 its reverse (322101201), we get a palindrome (424202424).
The spelling of 102101223 in words is "one hundred two million, one hundred one thousand, two hundred twenty-three".
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