Base | Representation |
---|---|
bin | 11101110100010111101000… |
… | …001001011000101100101111 |
3 | 122012100001202121101221210221 |
4 | 131310113220021120230233 |
5 | 114142113041043121333 |
6 | 1142525510253512211 |
7 | 36423464160006112 |
oct | 3564275011305457 |
9 | 565301677357727 |
10 | 131142131223343 |
11 | 3887107a230969 |
12 | 128602824a2667 |
13 | 582385ab135c6 |
14 | 2455454cca579 |
15 | 1026493bb4d2d |
hex | 7745e8258b2f |
131142131223343 has 16 divisors (see below), whose sum is σ = 135124718299200. Its totient is φ = 127196959115520.
The previous prime is 131142131223293. The next prime is 131142131223347. The reversal of 131142131223343 is 343322131241131.
It is a happy number.
It is not a de Polignac number, because 131142131223343 - 245 = 95957759134511 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131142131223299 and 131142131223308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131142131223347) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130286473 + ... + 131289181.
It is an arithmetic number, because the mean of its divisors is an integer number (8445294893700).
Almost surely, 2131142131223343 is an apocalyptic number.
131142131223343 is a deficient number, since it is larger than the sum of its proper divisors (3982587075857).
131142131223343 is a wasteful number, since it uses less digits than its factorization.
131142131223343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1021362.
The product of its digits is 31104, while the sum is 34.
Adding to 131142131223343 its reverse (343322131241131), we get a palindrome (474464262464474).
The spelling of 131142131223343 in words is "one hundred thirty-one trillion, one hundred forty-two billion, one hundred thirty-one million, two hundred twenty-three thousand, three hundred forty-three".
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