Base | Representation |
---|---|
bin | 101111100001101000… |
… | …011111111100001101 |
3 | 11212201101012012221022 |
4 | 233201220133330031 |
5 | 1314002203133240 |
6 | 35235400443525 |
7 | 3454400644340 |
oct | 574150377415 |
9 | 155641165838 |
10 | 51030130445 |
11 | 1a7071a6328 |
12 | 9a81a795a5 |
13 | 4a732c9378 |
14 | 2681482457 |
15 | 14da0289b5 |
hex | be1a1ff0d |
51030130445 has 32 divisors (see below), whose sum is σ = 70226956800. Its totient is φ = 34870910976.
The previous prime is 51030130433. The next prime is 51030130559. The reversal of 51030130445 is 54403103015.
It is a cyclic number.
It is not a de Polignac number, because 51030130445 - 28 = 51030130189 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18697841 + ... + 18700569.
It is an arithmetic number, because the mean of its divisors is an integer number (2194592400).
Almost surely, 251030130445 is an apocalyptic number.
It is an amenable number.
51030130445 is a deficient number, since it is larger than the sum of its proper divisors (19196826355).
51030130445 is a wasteful number, since it uses less digits than its factorization.
51030130445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4397.
The product of its (nonzero) digits is 3600, while the sum is 26.
The spelling of 51030130445 in words is "fifty-one billion, thirty million, one hundred thirty thousand, four hundred forty-five".
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