Base | Representation |
---|---|
bin | 1000000101000110… |
… | …1001101110111101 |
3 | 12121011010221100120 |
4 | 2001101221232331 |
5 | 13420213411003 |
6 | 555114445153 |
7 | 104514150240 |
oct | 20121515675 |
9 | 5534127316 |
10 | 2168888253 |
11 | a1330a934 |
12 | 5064337b9 |
13 | 28745a63c |
14 | 16809d257 |
15 | ca623853 |
hex | 81469bbd |
2168888253 has 16 divisors (see below), whose sum is σ = 3327158400. Its totient is φ = 1231045056.
The previous prime is 2168888243. The next prime is 2168888263. The reversal of 2168888253 is 3528888612.
2168888253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (2168888243) and next prime (2168888263).
It is not a de Polignac number, because 2168888253 - 216 = 2168822717 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2168888196 and 2168888205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2168888243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343450 + ... + 349707.
It is an arithmetic number, because the mean of its divisors is an integer number (207947400).
Almost surely, 22168888253 is an apocalyptic number.
It is an amenable number.
2168888253 is a deficient number, since it is larger than the sum of its proper divisors (1158270147).
2168888253 is a wasteful number, since it uses less digits than its factorization.
2168888253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 693316.
The product of its digits is 1474560, while the sum is 51.
The square root of 2168888253 is about 46571.3243638186. The cubic root of 2168888253 is about 1294.4314579680.
The spelling of 2168888253 in words is "two billion, one hundred sixty-eight million, eight hundred eighty-eight thousand, two hundred fifty-three".
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