Base | Representation |
---|---|
bin | 11101110100010111100110… |
… | …011101110101110101000111 |
3 | 122012100001200122100122100012 |
4 | 131310113212131311311013 |
5 | 114142113011333443421 |
6 | 1142525503405340435 |
7 | 36423463365250034 |
oct | 3564274635656507 |
9 | 565301618318305 |
10 | 131142103031111 |
11 | 388710653256a7 |
12 | 12860274b6771b |
13 | 5823855022403 |
14 | 245545126c38b |
15 | 102649149695b |
hex | 7745e6775d47 |
131142103031111 has 8 divisors (see below), whose sum is σ = 134686636526880. Its totient is φ = 127597577552928.
The previous prime is 131142103031089. The next prime is 131142103031213. The reversal of 131142103031111 is 111130301241131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131142103031111 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 (131142103031011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47365085 + ... + 50057321.
It is an arithmetic number, because the mean of its divisors is an integer number (16835829565860).
Almost surely, 2131142103031111 is an apocalyptic number.
131142103031111 is a deficient number, since it is larger than the sum of its proper divisors (3544533495769).
131142103031111 is a wasteful number, since it uses less digits than its factorization.
131142103031111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4008793.
The product of its (nonzero) digits is 216, while the sum is 23.
Adding to 131142103031111 its reverse (111130301241131), we get a palindrome (242272404272242).
The spelling of 131142103031111 in words is "one hundred thirty-one trillion, one hundred forty-two billion, one hundred three million, thirty-one thousand, one hundred eleven".
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