Base | Representation |
---|---|
bin | 1000010100001100001… |
… | …0101111110011000101 |
3 | 111122202001212121112221 |
4 | 2011003002233303011 |
5 | 4320033312324214 |
6 | 145343422012341 |
7 | 13215113015233 |
oct | 2050302576305 |
9 | 448661777487 |
10 | 142858714309 |
11 | 5564a024553 |
12 | 2382b1170b1 |
13 | 10618c08c1c |
14 | 6cb3177953 |
15 | 3ab1ba7e24 |
hex | 21430afcc5 |
142858714309 has 2 divisors, whose sum is σ = 142858714310. Its totient is φ = 142858714308.
The previous prime is 142858714279. The next prime is 142858714343. The reversal of 142858714309 is 903417858241.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 90422294209 + 52436420100 = 300703^2 + 228990^2 .
It is a cyclic number.
It is not a de Polignac number, because 142858714309 - 215 = 142858681541 is a prime.
It is a super-2 number, since 2×1428587143092 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142858714109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71429357154 + 71429357155.
It is an arithmetic number, because the mean of its divisors is an integer number (71429357155).
Almost surely, 2142858714309 is an apocalyptic number.
It is an amenable number.
142858714309 is a deficient number, since it is larger than the sum of its proper divisors (1).
142858714309 is an equidigital number, since it uses as much as digits as its factorization.
142858714309 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1935360, while the sum is 52.
The spelling of 142858714309 in words is "one hundred forty-two billion, eight hundred fifty-eight million, seven hundred fourteen thousand, three hundred nine".
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