Base | Representation |
---|---|
bin | 1000000100001100… |
… | …0000001011011111 |
3 | 12120212220211120010 |
4 | 2001003000023133 |
5 | 13413223014111 |
6 | 554500254303 |
7 | 104436414246 |
oct | 20103001337 |
9 | 5525824503 |
10 | 2165048031 |
11 | a111276a3 |
12 | 5050a1393 |
13 | 286714713 |
14 | 16777d95d |
15 | ca115aa6 |
hex | 810c02df |
2165048031 has 8 divisors (see below), whose sum is σ = 2890997424. Its totient is φ = 1441232000.
The previous prime is 2165048027. The next prime is 2165048047. The reversal of 2165048031 is 1308405612.
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 2165048031 - 22 = 2165048027 is a prime.
It is a super-2 number, since 2×21650480312 = 9374865953073953922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2165048031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2165048131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530970 + ... + 535031.
It is an arithmetic number, because the mean of its divisors is an integer number (361374678).
Almost surely, 22165048031 is an apocalyptic number.
2165048031 is a deficient number, since it is larger than the sum of its proper divisors (725949393).
2165048031 is a wasteful number, since it uses less digits than its factorization.
2165048031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1066681.
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 2165048031 is about 46530.0766279188. The cubic root of 2165048031 is about 1293.6670354789.
The spelling of 2165048031 in words is "two billion, one hundred sixty-five million, forty-eight thousand, thirty-one".
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