Base | Representation |
---|---|
bin | 1000101110110110010… |
… | …11100111110000001111 |
3 | 1001200102121101012012112 |
4 | 10113123023213300033 |
5 | 14403430140001033 |
6 | 345455404054235 |
7 | 30451010631326 |
oct | 4273313476017 |
9 | 1050377335175 |
10 | 300030000143 |
11 | 106273127905 |
12 | 4a19353437b |
13 | 223a6103983 |
14 | 107431110bd |
15 | 7c10137c48 |
hex | 45db2e7c0f |
300030000143 has 4 divisors (see below), whose sum is σ = 300420156960. Its totient is φ = 299639843328.
The previous prime is 300030000119. The next prime is 300030000187. The reversal of 300030000143 is 341000030003.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341000030003 = 23 ⋅14826088261.
It is a cyclic number.
It is not a de Polignac number, because 300030000143 - 210 = 300029999119 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (300032000143) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195077255 + ... + 195078792.
It is an arithmetic number, because the mean of its divisors is an integer number (75105039240).
Almost surely, 2300030000143 is an apocalyptic number.
300030000143 is a deficient number, since it is larger than the sum of its proper divisors (390156817).
300030000143 is an equidigital number, since it uses as much as digits as its factorization.
300030000143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 390156816.
The product of its (nonzero) digits is 108, while the sum is 14.
Adding to 300030000143 its reverse (341000030003), we get a palindrome (641030030146).
The spelling of 300030000143 in words is "three hundred billion, thirty million, one hundred forty-three", and thus it is an aban number.
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