Base | Representation |
---|---|
bin | 111101000111010110… |
… | …1111110000000011110 |
3 | 110112202120200020102110 |
4 | 1322032231332000132 |
5 | 4122241304342024 |
6 | 140143054134450 |
7 | 12324222532260 |
oct | 1721655760036 |
9 | 415676606373 |
10 | 131243434014 |
11 | 50729551550 |
12 | 215291b1426 |
13 | c4b76958c4 |
14 | 64d06a3b30 |
15 | 36320cd629 |
hex | 1e8eb7e01e |
131243434014 has 128 divisors (see below), whose sum is σ = 332010316800. Its totient is φ = 33596513280.
The previous prime is 131243434001. The next prime is 131243434073. The reversal of 131243434014 is 410434342131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13029372 + ... + 13039440.
It is an arithmetic number, because the mean of its divisors is an integer number (2593830600).
Almost surely, 2131243434014 is an apocalyptic number.
131243434014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 131243434014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166005158400).
131243434014 is an abundant number, since it is smaller than the sum of its proper divisors (200766882786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131243434014 is a wasteful number, since it uses less digits than its factorization.
131243434014 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10498.
The product of its (nonzero) digits is 13824, while the sum is 30.
Adding to 131243434014 its reverse (410434342131), we get a palindrome (541677776145).
The spelling of 131243434014 in words is "one hundred thirty-one billion, two hundred forty-three million, four hundred thirty-four thousand, fourteen".
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