Base | Representation |
---|---|
bin | 100101010000001111… |
… | …111010011011100101 |
3 | 10211020202001002220201 |
4 | 211100033322123211 |
5 | 1123410232220222 |
6 | 30213133230501 |
7 | 2614156231651 |
oct | 452017723345 |
9 | 124222032821 |
10 | 40001054437 |
11 | 15a67609283 |
12 | 7904332431 |
13 | 3a063614a6 |
14 | 1d167a3a61 |
15 | 1091b44427 |
hex | 9503fa6e5 |
40001054437 has 2 divisors, whose sum is σ = 40001054438. Its totient is φ = 40001054436.
The previous prime is 40001054389. The next prime is 40001054441. The reversal of 40001054437 is 73445010004.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 39999600001 + 1454436 = 199999^2 + 1206^2 .
It is a cyclic number.
It is not a de Polignac number, because 40001054437 - 211 = 40001052389 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (40001054447) 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 as a sum of consecutive naturals, namely, 20000527218 + 20000527219.
It is an arithmetic number, because the mean of its divisors is an integer number (20000527219).
Almost surely, 240001054437 is an apocalyptic number.
It is an amenable number.
40001054437 is a deficient number, since it is larger than the sum of its proper divisors (1).
40001054437 is an equidigital number, since it uses as much as digits as its factorization.
40001054437 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6720, while the sum is 28.
The spelling of 40001054437 in words is "forty billion, one million, fifty-four thousand, four hundred thirty-seven".
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