Base | Representation |
---|---|
bin | 111101001101000010… |
… | …1011000110011011101 |
3 | 110120020212111012210112 |
4 | 1322122011120303131 |
5 | 4123134113404321 |
6 | 140214025215405 |
7 | 12332026415255 |
oct | 1723205306335 |
9 | 416225435715 |
10 | 131434122461 |
11 | 50817154604 |
12 | 21581031565 |
13 | c51803c7c5 |
14 | 650bb40965 |
15 | 3643be8a5b |
hex | 1e9a158cdd |
131434122461 has 2 divisors, whose sum is σ = 131434122462. Its totient is φ = 131434122460.
The previous prime is 131434122419. The next prime is 131434122487. The reversal of 131434122461 is 164221434131.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 129661207225 + 1772915236 = 360085^2 + 42106^2 .
It is a cyclic number.
It is not a de Polignac number, because 131434122461 - 234 = 114254253277 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131434122401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65717061230 + 65717061231.
It is an arithmetic number, because the mean of its divisors is an integer number (65717061231).
Almost surely, 2131434122461 is an apocalyptic number.
It is an amenable number.
131434122461 is a deficient number, since it is larger than the sum of its proper divisors (1).
131434122461 is an equidigital number, since it uses as much as digits as its factorization.
131434122461 is an evil number, because the sum of its binary digits is even.
The product of its digits is 13824, while the sum is 32.
Adding to 131434122461 its reverse (164221434131), we get a palindrome (295655556592).
The spelling of 131434122461 in words is "one hundred thirty-one billion, four hundred thirty-four million, one hundred twenty-two thousand, four hundred sixty-one".
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