Base | Representation |
---|---|
bin | 11101110101101010110000… |
… | …111111010010001000011110 |
3 | 122012122121011220121211222010 |
4 | 131311222300333102020132 |
5 | 114200043401414010332 |
6 | 1143034512320332050 |
7 | 36433104301205214 |
oct | 3565526077221036 |
9 | 565577156554863 |
10 | 131231400141342 |
11 | 388a5a19203256 |
12 | 12875636474026 |
13 | 582c0b6332b87 |
14 | 24598c2a7ccb4 |
15 | 102896ac7e9cc |
hex | 775ab0fd221e |
131231400141342 has 8 divisors (see below), whose sum is σ = 262462800282696. Its totient is φ = 43743800047112.
The previous prime is 131231400141299. The next prime is 131231400141343. The reversal of 131231400141342 is 243141004132131.
It is a sphenic number, since it is the product of 3 distinct primes.
131231400141342 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131231400141343) 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, 10935950011773 + ... + 10935950011784.
It is an arithmetic number, because the mean of its divisors is an integer number (32807850035337).
Almost surely, 2131231400141342 is an apocalyptic number.
131231400141342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131231400141342 is a wasteful number, since it uses less digits than its factorization.
131231400141342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21871900023562.
The product of its (nonzero) digits is 6912, while the sum is 30.
Adding to 131231400141342 its reverse (243141004132131), we get a palindrome (374372404273473).
The spelling of 131231400141342 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, four hundred million, one hundred forty-one thousand, three hundred forty-two".
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