Base | Representation |
---|---|
bin | 1111101000000… |
… | …01011101111011 |
3 | 100010122110020011 |
4 | 13310001131323 |
5 | 232023444021 |
6 | 21001242351 |
7 | 3151100431 |
oct | 764013573 |
9 | 303573204 |
10 | 131078011 |
11 | 67a98939 |
12 | 37a933b7 |
13 | 2120536c |
14 | 135a0d51 |
15 | b792de1 |
hex | 7d0177b |
131078011 has 2 divisors, whose sum is σ = 131078012. Its totient is φ = 131078010.
The previous prime is 131077987. The next prime is 131078021. The reversal of 131078011 is 110870131.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 131078011 - 213 = 131069819 is a prime.
It is a super-2 number, since 2×1310780112 = 34362889935432242, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (131078021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65539005 + 65539006.
It is an arithmetic number, because the mean of its divisors is an integer number (65539006).
Almost surely, 2131078011 is an apocalyptic number.
131078011 is a deficient number, since it is larger than the sum of its proper divisors (1).
131078011 is an equidigital number, since it uses as much as digits as its factorization.
131078011 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 168, while the sum is 22.
The square root of 131078011 is about 11448.9305614105. The cubic root of 131078011 is about 507.9761017030.
The spelling of 131078011 in words is "one hundred thirty-one million, seventy-eight thousand, eleven".
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