Base | Representation |
---|---|
bin | 1000000001010110… |
… | …1010000001101101 |
3 | 12120001112220100210 |
4 | 2000111222001231 |
5 | 13402202121223 |
6 | 553353413033 |
7 | 104233364526 |
oct | 20025520155 |
9 | 5501486323 |
10 | 2153160813 |
11 | a05448651 |
12 | 50110a179 |
13 | 284111b6b |
14 | 165d6784d |
15 | c9068893 |
hex | 8056a06d |
2153160813 has 4 divisors (see below), whose sum is σ = 2870881088. Its totient is φ = 1435440540.
The previous prime is 2153160811. The next prime is 2153160817. The reversal of 2153160813 is 3180613512.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 2153160813 - 21 = 2153160811 is a prime.
It is a super-2 number, since 2×21531608132 = 9272202973277641938, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2153160811) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358860133 + ... + 358860138.
It is an arithmetic number, because the mean of its divisors is an integer number (717720272).
Almost surely, 22153160813 is an apocalyptic number.
It is an amenable number.
2153160813 is a deficient number, since it is larger than the sum of its proper divisors (717720275).
2153160813 is an equidigital number, since it uses as much as digits as its factorization.
2153160813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 717720274.
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 2153160813 is about 46402.1638827329. The cubic root of 2153160813 is about 1291.2950584211.
The spelling of 2153160813 in words is "two billion, one hundred fifty-three million, one hundred sixty thousand, eight hundred thirteen".
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