Base | Representation |
---|---|
bin | 1000111101001… |
… | …00010101100111 |
3 | 12020100121001011 |
4 | 10132210111213 |
5 | 123212401043 |
6 | 11242043051 |
7 | 1601345434 |
oct | 436442547 |
9 | 166317034 |
10 | 75122023 |
11 | 3944a319 |
12 | 211a9487 |
13 | 12743002 |
14 | 9d96b8b |
15 | 68dd59d |
hex | 47a4567 |
75122023 has 2 divisors, whose sum is σ = 75122024. Its totient is φ = 75122022.
The previous prime is 75122011. The next prime is 75122039. The reversal of 75122023 is 32022157.
It is a weak prime.
It is an emirp because it is prime and its reverse (32022157) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-75122023 is a prime.
It is a super-2 number, since 2×751220232 = 11286636679225058, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 75121985 and 75122003.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (75122053) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37561011 + 37561012.
It is an arithmetic number, because the mean of its divisors is an integer number (37561012).
Almost surely, 275122023 is an apocalyptic number.
75122023 is a deficient number, since it is larger than the sum of its proper divisors (1).
75122023 is an equidigital number, since it uses as much as digits as its factorization.
75122023 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 75122023 is about 8667.2961758555. The cubic root of 75122023 is about 421.9449158052.
The spelling of 75122023 in words is "seventy-five million, one hundred twenty-two thousand, twenty-three".
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