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130739643 = 3339712197
BaseRepresentation
bin1111100101011…
…10110110111011
3100010000021002000
413302232312323
5231432132033
620550112043
73145161066
oct762566673
9303007060
10130739643
11678876a1
123794b623
1321117348
14135138dd
15b727a13
hex7caedbb

130739643 has 16 divisors (see below), whose sum is σ = 194192160. Its totient is φ = 86933088.

The previous prime is 130739593. The next prime is 130739663. The reversal of 130739643 is 346937031.

130739643 is a `hidden beast` number, since 1 + 3 + 0 + 7 + 3 + 9 + 643 = 666.

It is not a de Polignac number, because 130739643 - 212 = 130735547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130739598 and 130739607.

It is not an unprimeable number, because it can be changed into a prime (130739663) 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, 4621 + ... + 16817.

It is an arithmetic number, because the mean of its divisors is an integer number (12137010).

Almost surely, 2130739643 is an apocalyptic number.

130739643 is a deficient number, since it is larger than the sum of its proper divisors (63452517).

130739643 is a wasteful number, since it uses less digits than its factorization.

130739643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12603 (or 12597 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 130739643 is about 11434.1437370710. The cubic root of 130739643 is about 507.5386243828.

The spelling of 130739643 in words is "one hundred thirty million, seven hundred thirty-nine thousand, six hundred forty-three".

Divisors: 1 3 9 27 397 1191 3573 10719 12197 36591 109773 329319 4842209 14526627 43579881 130739643