Base | Representation |
---|---|
bin | 1011111100000… |
… | …00110100001011 |
3 | 20222102202110211 |
4 | 11332000310023 |
5 | 201114023342 |
6 | 13534221551 |
7 | 2324124124 |
oct | 576006413 |
9 | 228382424 |
10 | 100142347 |
11 | 51589478 |
12 | 296548b7 |
13 | 17993536 |
14 | d42b04b |
15 | 8bd1c17 |
hex | 5f80d0b |
100142347 has 2 divisors, whose sum is σ = 100142348. Its totient is φ = 100142346.
The previous prime is 100142327. The next prime is 100142351. The reversal of 100142347 is 743241001.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 100142347 - 27 = 100142219 is a prime.
It is not a weakly prime, because it can be changed into another prime (100142327) 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 as a sum of consecutive naturals, namely, 50071173 + 50071174.
It is an arithmetic number, because the mean of its divisors is an integer number (50071174).
Almost surely, 2100142347 is an apocalyptic number.
100142347 is a deficient number, since it is larger than the sum of its proper divisors (1).
100142347 is an equidigital number, since it uses as much as digits as its factorization.
100142347 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 100142347 is about 10007.1148189676. The cubic root of 100142347 is about 464.3790176913.
Adding to 100142347 its reverse (743241001), we get a palindrome (843383348).
It can be divided in two parts, 100142 and 347, that added together give a square (100489 = 3172).
The spelling of 100142347 in words is "one hundred million, one hundred forty-two thousand, three hundred forty-seven".
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