Base | Representation |
---|---|
bin | 111000010010100110001… |
… | …100111010101101111001 |
3 | 111200210122121200222210212 |
4 | 320102212030322231321 |
5 | 1001334143244023424 |
6 | 12121015330320505 |
7 | 546321030510014 |
oct | 70224614725571 |
9 | 14623577628725 |
10 | 3868258970489 |
11 | 1261579386281 |
12 | 525840129135 |
13 | 220a10310334 |
14 | d532094c37b |
15 | 6a95038b10e |
hex | 384a633ab79 |
3868258970489 has 2 divisors, whose sum is σ = 3868258970490. Its totient is φ = 3868258970488.
The previous prime is 3868258970473. The next prime is 3868258970531. The reversal of 3868258970489 is 9840798528683.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3397754890000 + 470504080489 = 1843300^2 + 685933^2 .
It is a cyclic number.
It is not a de Polignac number, because 3868258970489 - 24 = 3868258970473 is a prime.
It is a super-3 number, since 3×38682589704893 (a number of 39 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (3868258970689) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934129485244 + 1934129485245.
It is an arithmetic number, because the mean of its divisors is an integer number (1934129485245).
Almost surely, 23868258970489 is an apocalyptic number.
It is an amenable number.
3868258970489 is a deficient number, since it is larger than the sum of its proper divisors (1).
3868258970489 is an equidigital number, since it uses as much as digits as its factorization.
3868258970489 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1672151040, while the sum is 77.
The spelling of 3868258970489 in words is "three trillion, eight hundred sixty-eight billion, two hundred fifty-eight million, nine hundred seventy thousand, four hundred eighty-nine".
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