Base | Representation |
---|---|
bin | 1111100000111… |
… | …11010011011101 |
3 | 100001220101111022 |
4 | 13300133103131 |
5 | 231304323040 |
6 | 20525333525 |
7 | 3140161601 |
oct | 760372335 |
9 | 301811438 |
10 | 130151645 |
11 | 67515948 |
12 | 377072a5 |
13 | 20c6c810 |
14 | 133dd501 |
15 | b65d6b5 |
hex | 7c1f4dd |
130151645 has 8 divisors (see below), whose sum is σ = 168196056. Its totient is φ = 96111936.
The previous prime is 130151639. The next prime is 130151657. The reversal of 130151645 is 546151031.
It can be written as a sum of positive squares in 4 ways, for example, as 3161284 + 126990361 = 1778^2 + 11269^2 .
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 130151645 - 24 = 130151629 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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, 1001102 + ... + 1001231.
It is an arithmetic number, because the mean of its divisors is an integer number (21024507).
Almost surely, 2130151645 is an apocalyptic number.
It is an amenable number.
130151645 is a deficient number, since it is larger than the sum of its proper divisors (38044411).
130151645 is a wasteful number, since it uses less digits than its factorization.
130151645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2002351.
The product of its (nonzero) digits is 1800, while the sum is 26.
The square root of 130151645 is about 11408.4023859610. The cubic root of 130151645 is about 506.7766004433.
The spelling of 130151645 in words is "one hundred thirty million, one hundred fifty-one thousand, six hundred forty-five".
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