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130085685 = 32519152147
BaseRepresentation
bin1111100000011…
…11001100110101
3100001210001000100
413300033030311
5231300220220
620524104313
73136465362
oct760171465
9301701010
10130085685
1167480334
1237695099
1320c487a2
14133c3469
15b648d90
hex7c0f335

130085685 has 24 divisors (see below), whose sum is σ = 237350880. Its totient is φ = 65727072.

The previous prime is 130085671. The next prime is 130085687. The reversal of 130085685 is 586580031.

It is not a de Polignac number, because 130085685 - 25 = 130085653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130085687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75219 + ... + 76928.

It is an arithmetic number, because the mean of its divisors is an integer number (9889620).

Almost surely, 2130085685 is an apocalyptic number.

130085685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130085685 is a deficient number, since it is larger than the sum of its proper divisors (107265195).

130085685 is a wasteful number, since it uses less digits than its factorization.

130085685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152177 (or 152174 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 130085685 is about 11405.5111678521. The cubic root of 130085685 is about 506.6909756246.

The spelling of 130085685 in words is "one hundred thirty million, eighty-five thousand, six hundred eighty-five".

Divisors: 1 3 5 9 15 19 45 57 95 171 285 855 152147 456441 760735 1369323 2282205 2890793 6846615 8672379 14453965 26017137 43361895 130085685