Base | Representation |
---|---|
bin | 11101111101101100100111… |
… | …010011001000011100110101 |
3 | 122021121100022200010220120002 |
4 | 131331230213103020130311 |
5 | 114233113333030314231 |
6 | 1144140201131121045 |
7 | 36521006040054041 |
oct | 3575544723103465 |
9 | 567540280126502 |
10 | 131783140869941 |
11 | 38a98a09494980 |
12 | 129445572a3185 |
13 | 586c134a5a292 |
14 | 24784a387b021 |
15 | 1037eadea40cb |
hex | 77db274c8735 |
131783140869941 has 4 divisors (see below), whose sum is σ = 143763426403584. Its totient is φ = 119802855336300.
The previous prime is 131783140869881. The next prime is 131783140869983. The reversal of 131783140869941 is 149968041387131.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 131783140869941 - 210 = 131783140868917 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131783140865941) 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, 5990142766805 + ... + 5990142766826.
It is an arithmetic number, because the mean of its divisors is an integer number (35940856600896).
Almost surely, 2131783140869941 is an apocalyptic number.
131783140869941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
131783140869941 is a deficient number, since it is larger than the sum of its proper divisors (11980285533643).
131783140869941 is a wasteful number, since it uses less digits than its factorization.
131783140869941 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11980285533642.
The product of its (nonzero) digits is 31352832, while the sum is 65.
The spelling of 131783140869941 in words is "one hundred thirty-one trillion, seven hundred eighty-three billion, one hundred forty million, eight hundred sixty-nine thousand, nine hundred forty-one".
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