Base | Representation |
---|---|
bin | 1111100101111… |
… | …10000011001111 |
3 | 100010010102102202 |
4 | 13302332003033 |
5 | 231441124441 |
6 | 20551312115 |
7 | 3145540364 |
oct | 762760317 |
9 | 303112382 |
10 | 130801871 |
11 | 6791a422 |
12 | 3797b63b |
13 | 21139775 |
14 | 1352c46b |
15 | b73b19b |
hex | 7cbe0cf |
130801871 has 8 divisors (see below), whose sum is σ = 137827200. Its totient is φ = 123790680.
The previous prime is 130801841. The next prime is 130801877. The reversal of 130801871 is 178108031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 130801871 - 26 = 130801807 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130801877) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19310 + ... + 25188.
It is an arithmetic number, because the mean of its divisors is an integer number (17228400).
Almost surely, 2130801871 is an apocalyptic number.
130801871 is a deficient number, since it is larger than the sum of its proper divisors (7025329).
130801871 is a wasteful number, since it uses less digits than its factorization.
130801871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7069.
The product of its (nonzero) digits is 1344, while the sum is 29.
The square root of 130801871 is about 11436.8645615833. The cubic root of 130801871 is about 507.6191358055.
The spelling of 130801871 in words is "one hundred thirty million, eight hundred one thousand, eight hundred seventy-one".
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