Base | Representation |
---|---|
bin | 111101000011000101… |
… | …1110110111111010011 |
3 | 110112101121021222200112 |
4 | 1322012023312333103 |
5 | 4121443132242033 |
6 | 140120541511535 |
7 | 12320533643102 |
oct | 1720613667723 |
9 | 415347258615 |
10 | 131100274643 |
11 | 50665761818 |
12 | 214a92725ab |
13 | c493b20510 |
14 | 64b967a039 |
15 | 3624750c48 |
hex | 1e862f6fd3 |
131100274643 has 8 divisors (see below), whose sum is σ = 147323385888. Its totient is φ = 115754088384.
The previous prime is 131100274619. The next prime is 131100274663. The reversal of 131100274643 is 346472001131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131100274643 - 220 = 131099226067 is a prime.
It is a super-2 number, since 2×1311002746432 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131100274663) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219230930 + ... + 219231527.
It is an arithmetic number, because the mean of its divisors is an integer number (18415423236).
Almost surely, 2131100274643 is an apocalyptic number.
131100274643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
131100274643 is a deficient number, since it is larger than the sum of its proper divisors (16223111245).
131100274643 is a wasteful number, since it uses less digits than its factorization.
131100274643 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 438462493.
The product of its (nonzero) digits is 12096, while the sum is 32.
Adding to 131100274643 its reverse (346472001131), we get a palindrome (477572275774).
The spelling of 131100274643 in words is "one hundred thirty-one billion, one hundred million, two hundred seventy-four thousand, six hundred forty-three".
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