Base | Representation |
---|---|
bin | 11101110111010010001010… |
… | …111001010110010010111101 |
3 | 122020001012202210021021120200 |
4 | 131313102022321112102331 |
5 | 114203403244112413041 |
6 | 1143201513544034113 |
7 | 36444114601144134 |
oct | 3567221271262275 |
9 | 566035683237520 |
10 | 131342430201021 |
11 | 38939014838456 |
12 | 12893062162939 |
13 | 58396cc063140 |
14 | 246101699691b |
15 | 102b7b84e51b6 |
hex | 77748ae564bd |
131342430201021 has 96 divisors (see below), whose sum is σ = 205913208044544. Its totient is φ = 80194339008000.
The previous prime is 131342430200977. The next prime is 131342430201109. The reversal of 131342430201021 is 120102034243131.
131342430201021 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 4 + 2 + 430 + 201 + 0 + 21 = 666.
It is not a de Polignac number, because 131342430201021 - 242 = 126944383689917 is a prime.
It is a super-2 number, since 2×1313424302010212 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131342430201821) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19369179651 + ... + 19369186431.
It is an arithmetic number, because the mean of its divisors is an integer number (2144929250464).
Almost surely, 2131342430201021 is an apocalyptic number.
It is an amenable number.
131342430201021 is a deficient number, since it is larger than the sum of its proper divisors (74570777843523).
131342430201021 is a wasteful number, since it uses less digits than its factorization.
131342430201021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8955 (or 8952 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
Adding to 131342430201021 its reverse (120102034243131), we get a palindrome (251444464444152).
The spelling of 131342430201021 in words is "one hundred thirty-one trillion, three hundred forty-two billion, four hundred thirty million, two hundred one thousand, twenty-one".
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