Base | Representation |
---|---|
bin | 1100001011001… |
… | …00001011010111 |
3 | 21010011100022200 |
4 | 12011210023113 |
5 | 202120402244 |
6 | 14044455543 |
7 | 2350011234 |
oct | 605441327 |
9 | 233140280 |
10 | 102122199 |
11 | 52710a13 |
12 | 2a24a5b3 |
13 | 1820774a |
14 | d7c478b |
15 | 8e73669 |
hex | 61642d7 |
102122199 has 12 divisors (see below), whose sum is σ = 147732312. Its totient is φ = 67978800.
The previous prime is 102122177. The next prime is 102122201. The reversal of 102122199 is 991221201.
It is not a de Polignac number, because 102122199 - 29 = 102121687 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102122099) 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, 1992 + ... + 14429.
It is an arithmetic number, because the mean of its divisors is an integer number (12311026).
Almost surely, 2102122199 is an apocalyptic number.
102122199 is a deficient number, since it is larger than the sum of its proper divisors (45610113).
102122199 is a wasteful number, since it uses less digits than its factorization.
102122199 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17118 (or 17115 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 27.
The square root of 102122199 is about 10105.5528794817. The cubic root of 102122199 is about 467.4193846144.
It can be divided in two parts, 1021 and 22199, that added together give a triangular number (23220 = T215).
The spelling of 102122199 in words is "one hundred two million, one hundred twenty-two thousand, one hundred ninety-nine".
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