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130207810785 = 3513667732363
BaseRepresentation
bin111100101000011111…
…1011000010011100001
3110110002101222010102120
41321100333120103201
54113131144421120
6135452221134453
712256446062463
oct1712077302341
9413071863376
10130207810785
1150247a07488
122129a3ba429
13c380c650b0
146432d22133
1535c1212140
hex1e50fd84e1

130207810785 has 16 divisors (see below), whose sum is σ = 224358074304. Its totient is φ = 64102306752.

The previous prime is 130207810781. The next prime is 130207810807. The reversal of 130207810785 is 587018702031.

It is not a de Polignac number, because 130207810785 - 22 = 130207810781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130207810781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333865987 + ... + 333866376.

It is an arithmetic number, because the mean of its divisors is an integer number (14022379644).

Almost surely, 2130207810785 is an apocalyptic number.

130207810785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130207810785 is a deficient number, since it is larger than the sum of its proper divisors (94150263519).

130207810785 is a wasteful number, since it uses less digits than its factorization.

130207810785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667732384.

The product of its (nonzero) digits is 94080, while the sum is 42.

The spelling of 130207810785 in words is "one hundred thirty billion, two hundred seven million, eight hundred ten thousand, seven hundred eighty-five".

Divisors: 1 3 5 13 15 39 65 195 667732363 2003197089 3338661815 8680520719 10015985445 26041562157 43402603595 130207810785