Base | Representation |
---|---|
bin | 11101110100001101011111… |
… | …001110110110010001111001 |
3 | 122012022000122212122000002020 |
4 | 131310031133032312101321 |
5 | 114141423242011221131 |
6 | 1142520510104025053 |
7 | 36422630322126621 |
oct | 3564153716662171 |
9 | 565260585560066 |
10 | 131131244242041 |
11 | 388674a287675a |
12 | 1285a144462189 |
13 | 582281443a334 |
14 | 2454b01039881 |
15 | 1026057eec996 |
hex | 77435f3b6479 |
131131244242041 has 32 divisors (see below), whose sum is σ = 191534839021440. Its totient is φ = 79430992413696.
The previous prime is 131131244241941. The next prime is 131131244242043. The reversal of 131131244242041 is 140242442131131.
It is not a de Polignac number, because 131131244242041 - 211 = 131131244239993 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131131244241993 and 131131244242011.
It is not an unprimeable number, because it can be changed into a prime (131131244242043) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5757630 + ... + 17187576.
It is an arithmetic number, because the mean of its divisors is an integer number (5985463719420).
Almost surely, 2131131244242041 is an apocalyptic number.
It is an amenable number.
131131244242041 is a deficient number, since it is larger than the sum of its proper divisors (60403594779399).
131131244242041 is a wasteful number, since it uses less digits than its factorization.
131131244242041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11437753.
The product of its (nonzero) digits is 18432, while the sum is 33.
Adding to 131131244242041 its reverse (140242442131131), we get a palindrome (271373686373172).
The spelling of 131131244242041 in words is "one hundred thirty-one trillion, one hundred thirty-one billion, two hundred forty-four million, two hundred forty-two thousand, forty-one".
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