Base | Representation |
---|---|
bin | 101100101101100… |
… | …011110110001101 |
3 | 1221021112002202002 |
4 | 230231203312031 |
5 | 3014014001223 |
6 | 202234042045 |
7 | 24406043312 |
oct | 5455436615 |
9 | 1837462662 |
10 | 750140813 |
11 | 355486994 |
12 | 18b279325 |
13 | bc546906 |
14 | 718aad09 |
15 | 45cc8e28 |
hex | 2cb63d8d |
750140813 has 4 divisors (see below), whose sum is σ = 750294720. Its totient is φ = 749986908.
The previous prime is 750140789. The next prime is 750140869. The reversal of 750140813 is 318041057.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 750140813 - 26 = 750140749 is a prime.
It is a super-2 number, since 2×7501408132 = 1125422478656601938, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (750140873) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69395 + ... + 79472.
It is an arithmetic number, because the mean of its divisors is an integer number (187573680).
Almost surely, 2750140813 is an apocalyptic number.
It is an amenable number.
750140813 is a deficient number, since it is larger than the sum of its proper divisors (153907).
750140813 is a wasteful number, since it uses less digits than its factorization.
750140813 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153906.
The product of its (nonzero) digits is 3360, while the sum is 29.
The square root of 750140813 is about 27388.6986364814. The cubic root of 750140813 is about 908.6171537917.
The spelling of 750140813 in words is "seven hundred fifty million, one hundred forty thousand, eight hundred thirteen".
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