Base | Representation |
---|---|
bin | 1111100101011… |
… | …10110110111010 |
3 | 100010000021001222 |
4 | 13302232312322 |
5 | 231432132032 |
6 | 20550112042 |
7 | 3145161065 |
oct | 762566672 |
9 | 303007058 |
10 | 130739642 |
11 | 678876a0 |
12 | 3794b622 |
13 | 21117347 |
14 | 135138dc |
15 | b727a12 |
hex | 7caedba |
130739642 has 32 divisors (see below), whose sum is σ = 218916864. Its totient is φ = 58060800.
The previous prime is 130739593. The next prime is 130739663. The reversal of 130739642 is 246937031.
It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203642 + ... + 204282.
It is an arithmetic number, because the mean of its divisors is an integer number (6841152).
Almost surely, 2130739642 is an apocalyptic number.
130739642 is a deficient number, since it is larger than the sum of its proper divisors (88177222).
130739642 is a wasteful number, since it uses less digits than its factorization.
130739642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 854.
The product of its (nonzero) digits is 27216, while the sum is 35.
The square root of 130739642 is about 11434.1436933423. The cubic root of 130739642 is about 507.5386230888.
The spelling of 130739642 in words is "one hundred thirty million, seven hundred thirty-nine thousand, six hundred forty-two".
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