Base | Representation |
---|---|
bin | 1111100111100… |
… | …00011001000011 |
3 | 100010111220021122 |
4 | 13303300121003 |
5 | 232014224232 |
6 | 20555542455 |
7 | 3150356501 |
oct | 763603103 |
9 | 303456248 |
10 | 131008067 |
11 | 67a50333 |
12 | 37a5aa2b |
13 | 211ac588 |
14 | 13583671 |
15 | b77c312 |
hex | 7cf0643 |
131008067 has 2 divisors, whose sum is σ = 131008068. Its totient is φ = 131008066.
The previous prime is 131008049. The next prime is 131008091. The reversal of 131008067 is 760800131.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 131008067 - 214 = 130991683 is a prime.
It is a super-2 number, since 2×1310080672 = 34326227238152978, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (131008027) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65504033 + 65504034.
It is an arithmetic number, because the mean of its divisors is an integer number (65504034).
Almost surely, 2131008067 is an apocalyptic number.
131008067 is a deficient number, since it is larger than the sum of its proper divisors (1).
131008067 is an equidigital number, since it uses as much as digits as its factorization.
131008067 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1008, while the sum is 26.
The square root of 131008067 is about 11445.8755453657. The cubic root of 131008067 is about 507.8857326123.
Adding to 131008067 its reverse (760800131), we get a palindrome (891808198).
The spelling of 131008067 in words is "one hundred thirty-one million, eight thousand, sixty-seven".
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