Base | Representation |
---|---|
bin | 11101110010011110101001… |
… | …000010000110011011111010 |
3 | 122011212122110002210012211100 |
4 | 131302132221002012123322 |
5 | 114133001013133030132 |
6 | 1142350103504512230 |
7 | 36411215012100315 |
oct | 3562365102063372 |
9 | 564778402705740 |
10 | 131012223330042 |
11 | 38820a7665197a |
12 | 1283b06861b676 |
13 | 581452704a8a2 |
14 | 244d04db5997c |
15 | 1022ddde9737c |
hex | 7727a90866fa |
131012223330042 has 48 divisors (see below), whose sum is σ = 296725656314880. Its totient is φ = 41727045391200.
The previous prime is 131012223330017. The next prime is 131012223330089. The reversal of 131012223330042 is 240033322210131.
131012223330042 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 122 + 233 + 300 + 4 + 2 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 131012223329988 and 131012223330015.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1485961809 + ... + 1486049972.
It is an arithmetic number, because the mean of its divisors is an integer number (6181784506560).
Almost surely, 2131012223330042 is an apocalyptic number.
131012223330042 is an abundant number, since it is smaller than the sum of its proper divisors (165713432984838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131012223330042 is a wasteful number, since it uses less digits than its factorization.
131012223330042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2972011899 (or 2972011896 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
Adding to 131012223330042 its reverse (240033322210131), we get a palindrome (371045545540173).
The spelling of 131012223330042 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-three million, three hundred thirty thousand, forty-two".
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