Base | Representation |
---|---|
bin | 100101011100101110… |
… | …100111100010101001 |
3 | 10211210100000111100200 |
4 | 211130232213202221 |
5 | 1124322332230441 |
6 | 30250013022413 |
7 | 2622311005461 |
oct | 453456474251 |
9 | 124710014320 |
10 | 40210430121 |
11 | 16064815334 |
12 | 7962484a09 |
13 | 3a3a84c124 |
14 | 1d36506ba1 |
15 | 10a52017b6 |
hex | 95cba78a9 |
40210430121 has 6 divisors (see below), whose sum is σ = 58081732410. Its totient is φ = 26806953408.
The previous prime is 40210430107. The next prime is 40210430129. The reversal of 40210430121 is 12103401204.
40210430121 is a `hidden beast` number, since 4 + 0 + 210 + 430 + 1 + 21 = 666.
It can be written as a sum of positive squares in only one way, i.e., 36358862400 + 3851567721 = 190680^2 + 62061^2 .
It is not a de Polignac number, because 40210430121 - 210 = 40210429097 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 40210430094 and 40210430103.
It is not an unprimeable number, because it can be changed into a prime (40210430129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2233912776 + ... + 2233912793.
It is an arithmetic number, because the mean of its divisors is an integer number (9680288735).
Almost surely, 240210430121 is an apocalyptic number.
It is an amenable number.
40210430121 is a deficient number, since it is larger than the sum of its proper divisors (17871302289).
40210430121 is a wasteful number, since it uses less digits than its factorization.
40210430121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4467825575 (or 4467825572 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 40210430121 its reverse (12103401204), we get a palindrome (52313831325).
The spelling of 40210430121 in words is "forty billion, two hundred ten million, four hundred thirty thousand, one hundred twenty-one".
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