Base | Representation |
---|---|
bin | 1000110000000011000111… |
… | …00001100000010001001110 |
3 | 2112010121212100020222111121 |
4 | 10120001203201200101032 |
5 | 10010234404020312030 |
6 | 104532100241511154 |
7 | 4024161350340016 |
oct | 430014341402116 |
9 | 75117770228447 |
10 | 19243123213390 |
11 | 6149a6542887a |
12 | 21a95430424ba |
13 | a9780748189b |
14 | 4a752d1c0c46 |
15 | 23585785c47a |
hex | 11806386044e |
19243123213390 has 8 divisors (see below), whose sum is σ = 34637621784120. Its totient is φ = 7697249285352.
The previous prime is 19243123213357. The next prime is 19243123213393. The reversal of 19243123213390 is 9331232134291.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19243123213393) 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, 962156160660 + ... + 962156160679.
It is an arithmetic number, because the mean of its divisors is an integer number (4329702723015).
Almost surely, 219243123213390 is an apocalyptic number.
19243123213390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19243123213390 is a deficient number, since it is larger than the sum of its proper divisors (15394498570730).
19243123213390 is a wasteful number, since it uses less digits than its factorization.
19243123213390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1924312321346.
The product of its (nonzero) digits is 209952, while the sum is 43.
The spelling of 19243123213390 in words is "nineteen trillion, two hundred forty-three billion, one hundred twenty-three million, two hundred thirteen thousand, three hundred ninety".
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