Base | Representation |
---|---|
bin | 1000100010111100111100… |
… | …00101110110100101101101 |
3 | 2110112121100211122101100220 |
4 | 10101132132011312211231 |
5 | 4430401314332120240 |
6 | 103545240252441553 |
7 | 3646521246316635 |
oct | 421363605664555 |
9 | 73477324571326 |
10 | 18793134254445 |
11 | 5a9613a394771 |
12 | 213629a7792b9 |
13 | a6425346b1c5 |
14 | 48d841d636c5 |
15 | 228cbc5505d0 |
hex | 11179e17696d |
18793134254445 has 8 divisors (see below), whose sum is σ = 30069014807136. Its totient is φ = 10023004935696.
The previous prime is 18793134254443. The next prime is 18793134254449. The reversal of 18793134254445 is 54445243139781.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 18793134254445 - 21 = 18793134254443 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18793134254443) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626437808467 + ... + 626437808496.
It is an arithmetic number, because the mean of its divisors is an integer number (3758626850892).
Almost surely, 218793134254445 is an apocalyptic number.
18793134254445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
18793134254445 is a deficient number, since it is larger than the sum of its proper divisors (11275880552691).
18793134254445 is a wasteful number, since it uses less digits than its factorization.
18793134254445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1252875616971.
The product of its digits is 58060800, while the sum is 60.
The spelling of 18793134254445 in words is "eighteen trillion, seven hundred ninety-three billion, one hundred thirty-four million, two hundred fifty-four thousand, four hundred forty-five".
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