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127116685 = 527791781
BaseRepresentation
bin1111001001110…
…10010110001101
322212012012022101
413210322112031
5230020213220
620340315101
73102321403
oct744722615
9285165271
10127116685
1165832713
12366a2a91
1320449297
1412c4d473
15b25e30a
hex793a58d

127116685 has 8 divisors (see below), whose sum is σ = 153092376. Its totient is φ = 101325120.

The previous prime is 127116673. The next prime is 127116697. The reversal of 127116685 is 586611721.

It is an interprime number because it is at equal distance from previous prime (127116673) and next prime (127116697).

It can be written as a sum of positive squares in 4 ways, for example, as 171396 + 126945289 = 414^2 + 11267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 127116685 - 213 = 127108493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44506 + ... + 47275.

It is an arithmetic number, because the mean of its divisors is an integer number (19136547).

Almost surely, 2127116685 is an apocalyptic number.

It is an amenable number.

127116685 is a deficient number, since it is larger than the sum of its proper divisors (25975691).

127116685 is an equidigital number, since it uses as much as digits as its factorization.

127116685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92063.

The product of its digits is 20160, while the sum is 37.

The square root of 127116685 is about 11274.6035407016. The cubic root of 127116685 is about 502.8064647058.

It can be divided in two parts, 1271 and 16685, that added together give a square (17956 = 1342).

The spelling of 127116685 in words is "one hundred twenty-seven million, one hundred sixteen thousand, six hundred eighty-five".

Divisors: 1 5 277 1385 91781 458905 25423337 127116685