Base | Representation |
---|---|
bin | 100111001101100111… |
… | …010100111010101101 |
3 | 11000200022202022002221 |
4 | 213031213110322231 |
5 | 1142212203003422 |
6 | 31201550115341 |
7 | 3020246010124 |
oct | 471547247255 |
9 | 130608668087 |
10 | 42104344237 |
11 | 1694689400a |
12 | 81b07abb51 |
13 | 3c80031877 |
14 | 2075c68abb |
15 | 116660b3c7 |
hex | 9cd9d4ead |
42104344237 has 2 divisors, whose sum is σ = 42104344238. Its totient is φ = 42104344236.
The previous prime is 42104344171. The next prime is 42104344253. The reversal of 42104344237 is 73244340124.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 24501953961 + 17602390276 = 156531^2 + 132674^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-42104344237 is a prime.
It is a super-2 number, since 2×421043442372 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (42104344277) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21052172118 + 21052172119.
It is an arithmetic number, because the mean of its divisors is an integer number (21052172119).
Almost surely, 242104344237 is an apocalyptic number.
It is an amenable number.
42104344237 is a deficient number, since it is larger than the sum of its proper divisors (1).
42104344237 is an equidigital number, since it uses as much as digits as its factorization.
42104344237 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 64512, while the sum is 34.
The spelling of 42104344237 in words is "forty-two billion, one hundred four million, three hundred forty-four thousand, two hundred thirty-seven".
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