Base | Representation |
---|---|
bin | 101111101100… |
… | …000000011011 |
3 | 212112010011201 |
4 | 233230000123 |
5 | 11200013034 |
6 | 1123535031 |
7 | 211154056 |
oct | 57540033 |
9 | 25463151 |
10 | 12501019 |
11 | 7069223 |
12 | 422a477 |
13 | 278906b |
14 | 1935a9d |
15 | 116e014 |
hex | bec01b |
12501019 has 2 divisors, whose sum is σ = 12501020. Its totient is φ = 12501018.
The previous prime is 12500989. The next prime is 12501043. The reversal of 12501019 is 91010521.
12501019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12501019 - 221 = 10403867 is a prime.
It is a super-2 number, since 2×125010192 = 312550952076722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12500987 and 12501005.
It is not a weakly prime, because it can be changed into another prime (12511019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250509 + 6250510.
It is an arithmetic number, because the mean of its divisors is an integer number (6250510).
Almost surely, 212501019 is an apocalyptic number.
12501019 is a deficient number, since it is larger than the sum of its proper divisors (1).
12501019 is an equidigital number, since it uses as much as digits as its factorization.
12501019 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 90, while the sum is 19.
The square root of 12501019 is about 3535.6780113579. The cubic root of 12501019 is about 232.0857478813.
The spelling of 12501019 in words is "twelve million, five hundred one thousand, nineteen".
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