Base | Representation |
---|---|
bin | 1100010010101… |
… | …01100101011111 |
3 | 21012000120201012 |
4 | 12021111211133 |
5 | 202344023012 |
6 | 14122005435 |
7 | 2361300116 |
oct | 611254537 |
9 | 235016635 |
10 | 103111007 |
11 | 5322690a |
12 | 2a64687b |
13 | 1849283c |
14 | d9a0c7d |
15 | 90bb622 |
hex | 625595f |
103111007 has 2 divisors, whose sum is σ = 103111008. Its totient is φ = 103111006.
The previous prime is 103110949. The next prime is 103111009. The reversal of 103111007 is 700111301.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 103111007 - 212 = 103106911 is a prime.
Together with 103111009, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 103110982 and 103111000.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (103111009) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51555503 + 51555504.
It is an arithmetic number, because the mean of its divisors is an integer number (51555504).
Almost surely, 2103111007 is an apocalyptic number.
103111007 is a deficient number, since it is larger than the sum of its proper divisors (1).
103111007 is an equidigital number, since it uses as much as digits as its factorization.
103111007 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 21, while the sum is 14.
The square root of 103111007 is about 10154.3590147286. The cubic root of 103111007 is about 468.9231525761.
Adding to 103111007 its reverse (700111301), we get a palindrome (803222308).
The spelling of 103111007 in words is "one hundred three million, one hundred eleven thousand, seven".
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