Search a number
-
+
127490685439 = 1385711443379
BaseRepresentation
bin111011010111100001…
…0010111100111111111
3110012002001012212011111
41312233002113213333
54042100103413224
6134322435502451
712132223642315
oct1665702274777
9405061185144
10127490685439
114a083193a47
1220860457a27
13c03a063810
1462561120b5
1534b28e7d94
hex1daf0979ff

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".

Divisors: 1 13 857 11141 11443379 148763927 9806975803 127490685439