Base | Representation |
---|---|
bin | 111101000100010110… |
… | …0101101110101100111 |
3 | 110112111112122022220012 |
4 | 1322020230231311213 |
5 | 4122034431123333 |
6 | 140125045400435 |
7 | 12321555240023 |
oct | 1721054556547 |
9 | 415445568805 |
10 | 131142442343 |
11 | 50687542a60 |
12 | 214bb40911b |
13 | c49c795913 |
14 | 64c10d5383 |
15 | 36282cee48 |
hex | 1e88b2dd67 |
131142442343 has 16 divisors (see below), whose sum is σ = 144270931200. Its totient is φ = 118218372480.
The previous prime is 131142442303. The next prime is 131142442351. The reversal of 131142442343 is 343244241131.
It is a cyclic number.
It is not a de Polignac number, because 131142442343 - 26 = 131142442279 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131142442303) 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, 703823 + ... + 870431.
It is an arithmetic number, because the mean of its divisors is an integer number (9016933200).
Almost surely, 2131142442343 is an apocalyptic number.
131142442343 is a deficient number, since it is larger than the sum of its proper divisors (13128488857).
131142442343 is a wasteful number, since it uses less digits than its factorization.
131142442343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 167222.
The product of its digits is 27648, while the sum is 32.
Adding to 131142442343 its reverse (343244241131), we get a palindrome (474386683474).
The spelling of 131142442343 in words is "one hundred thirty-one billion, one hundred forty-two million, four hundred forty-two thousand, three hundred forty-three".
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