Base | Representation |
---|---|
bin | 10100111111100100001… |
… | …110000100111000001111 |
3 | 12002220201021012120021001 |
4 | 110333210032010320033 |
5 | 142114013043030112 |
6 | 3022424020521131 |
7 | 206141015441365 |
oct | 24774416047017 |
9 | 5086637176231 |
10 | 1442642939407 |
11 | 50690436987a |
12 | 1b37162501a7 |
13 | a606b3b4ab7 |
14 | 4db77bd5635 |
15 | 277d6ba9c57 |
hex | 14fe4384e0f |
1442642939407 has 2 divisors, whose sum is σ = 1442642939408. Its totient is φ = 1442642939406.
The previous prime is 1442642939389. The next prime is 1442642939417. The reversal of 1442642939407 is 7049392462441.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1442642939407 - 219 = 1442642415119 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1442642939417) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721321469703 + 721321469704.
It is an arithmetic number, because the mean of its divisors is an integer number (721321469704).
Almost surely, 21442642939407 is an apocalyptic number.
1442642939407 is a deficient number, since it is larger than the sum of its proper divisors (1).
1442642939407 is an equidigital number, since it uses as much as digits as its factorization.
1442642939407 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10450944, while the sum is 55.
The spelling of 1442642939407 in words is "one trillion, four hundred forty-two billion, six hundred forty-two million, nine hundred thirty-nine thousand, four hundred seven".
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