Base | Representation |
---|---|
bin | 111111011111111… |
… | …0011000111001101 |
3 | 12111111012102022222 |
4 | 1332333303013031 |
5 | 13330421404040 |
6 | 551231145125 |
7 | 103541154131 |
oct | 17677630715 |
9 | 5444172288 |
10 | 2130653645 |
11 | 9a377568a |
12 | 4b56751a5 |
13 | 27c561503 |
14 | 162d893c1 |
15 | c70bebb5 |
hex | 7eff31cd |
2130653645 has 8 divisors (see below), whose sum is σ = 2667949056. Its totient is φ = 1630413136.
The previous prime is 2130653633. The next prime is 2130653663. The reversal of 2130653645 is 5463560312.
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 2130653645 - 210 = 2130652621 is a prime.
It is a super-3 number, since 3×21306536453 (a number of 29 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9263597 + ... + 9263826.
It is an arithmetic number, because the mean of its divisors is an integer number (333493632).
Almost surely, 22130653645 is an apocalyptic number.
It is an amenable number.
2130653645 is a deficient number, since it is larger than the sum of its proper divisors (537295411).
2130653645 is a wasteful number, since it uses less digits than its factorization.
2130653645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18527451.
The product of its (nonzero) digits is 64800, while the sum is 35.
The square root of 2130653645 is about 46159.0039428929. The cubic root of 2130653645 is about 1286.7799514190.
The spelling of 2130653645 in words is "two billion, one hundred thirty million, six hundred fifty-three thousand, six hundred forty-five".
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