Base | Representation |
---|---|
bin | 11101110110101110011000… |
… | …111111101100101100111101 |
3 | 122012220112121100201112121212 |
4 | 131312232120333230230331 |
5 | 114202241104040303041 |
6 | 1143132121433334205 |
7 | 36441254552156561 |
oct | 3566563077545475 |
9 | 565815540645555 |
10 | 131304012041021 |
11 | 3892379a7881a6 |
12 | 1288771bb67365 |
13 | 5835bb89288a1 |
14 | 245d2105136a1 |
15 | 102a7ba8218eb |
hex | 776b98fecb3d |
131304012041021 has 16 divisors (see below), whose sum is σ = 134385979996800. Its totient is φ = 128257907678208.
The previous prime is 131304012041003. The next prime is 131304012041023. The reversal of 131304012041021 is 120140210403131.
It is not a de Polignac number, because 131304012041021 - 214 = 131304012024637 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131304012041023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146828840 + ... + 147720398.
It is an arithmetic number, because the mean of its divisors is an integer number (8399123749800).
Almost surely, 2131304012041021 is an apocalyptic number.
It is an amenable number.
131304012041021 is a deficient number, since it is larger than the sum of its proper divisors (3081967955779).
131304012041021 is an equidigital number, since it uses as much as digits as its factorization.
131304012041021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 911668.
The product of its (nonzero) digits is 576, while the sum is 23.
Adding to 131304012041021 its reverse (120140210403131), we get a palindrome (251444222444152).
The spelling of 131304012041021 in words is "one hundred thirty-one trillion, three hundred four billion, twelve million, forty-one thousand, twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •