Base | Representation |
---|---|
bin | 111011010111100001… |
… | …0010111100111111111 |
3 | 110012002001012212011111 |
4 | 1312233002113213333 |
5 | 4042100103413224 |
6 | 134322435502451 |
7 | 12132223642315 |
oct | 1665702274777 |
9 | 405061185144 |
10 | 127490685439 |
11 | 4a083193a47 |
12 | 20860457a27 |
13 | c03a063810 |
14 | 62561120b5 |
15 | 34b28e7d94 |
hex | 1daf0979ff |
127490685439 has 8 divisors (see below), whose sum is σ = 137457880560. Its totient is φ = 117546378816.
The previous prime is 127490685403. The next prime is 127490685449. The reversal of 127490685439 is 934586094721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 127490685439 - 215 = 127490652671 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (127490685449) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5710549 + ... + 5732830.
It is an arithmetic number, because the mean of its divisors is an integer number (17182235070).
It is a 1-persistent number, because it is pandigital, but 2⋅127490685439 = 254981370878 is not.
Almost surely, 2127490685439 is an apocalyptic number.
127490685439 is a deficient number, since it is larger than the sum of its proper divisors (9967195121).
127490685439 is a wasteful number, since it uses less digits than its factorization.
127490685439 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11444249.
The product of its (nonzero) digits is 13063680, while the sum is 58.
The spelling of 127490685439 in words is "one hundred twenty-seven billion, four hundred ninety million, six hundred eighty-five thousand, four hundred thirty-nine".
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