Base | Representation |
---|---|
bin | 110010100010… |
… | …111001011101 |
3 | 220221011202222 |
4 | 302202321131 |
5 | 11343001031 |
6 | 1151555125 |
7 | 220424102 |
oct | 62427135 |
9 | 26834688 |
10 | 13250141 |
11 | 7530033 |
12 | 452baa5 |
13 | 298c028 |
14 | 1a8caa9 |
15 | 126ae7b |
hex | ca2e5d |
13250141 has 2 divisors, whose sum is σ = 13250142. Its totient is φ = 13250140.
The previous prime is 13250137. The next prime is 13250143. The reversal of 13250141 is 14105231.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12355225 + 894916 = 3515^2 + 946^2 .
It is a cyclic number.
It is not a de Polignac number, because 13250141 - 22 = 13250137 is a prime.
It is a Sophie Germain prime.
Together with 13250143, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13250143) 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, 6625070 + 6625071.
It is an arithmetic number, because the mean of its divisors is an integer number (6625071).
Almost surely, 213250141 is an apocalyptic number.
It is an amenable number.
13250141 is a deficient number, since it is larger than the sum of its proper divisors (1).
13250141 is an equidigital number, since it uses as much as digits as its factorization.
13250141 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 13250141 is about 3640.0743124283. The cubic root of 13250141 is about 236.6320139261.
Adding to 13250141 its reverse (14105231), we get a palindrome (27355372).
The spelling of 13250141 in words is "thirteen million, two hundred fifty thousand, one hundred forty-one".
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