Base | Representation |
---|---|
bin | 111111110011111… |
… | …0111111101110101 |
3 | 12112012222011100202 |
4 | 1333213313331311 |
5 | 13341114044120 |
6 | 552244250245 |
7 | 104026360616 |
oct | 17747677565 |
9 | 5465864322 |
10 | 2141159285 |
11 | 9a96a0731 |
12 | 4b90a0985 |
13 | 28179c275 |
14 | 164521c0d |
15 | c7e97875 |
hex | 7f9f7f75 |
2141159285 has 4 divisors (see below), whose sum is σ = 2569391148. Its totient is φ = 1712927424.
The previous prime is 2141159281. The next prime is 2141159287. The reversal of 2141159285 is 5829511412.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1675592356 + 465566929 = 40934^2 + 21577^2 .
It is a cyclic number.
It is not a de Polignac number, because 2141159285 - 22 = 2141159281 is a prime.
It is a super-2 number, since 2×21411592852 = 9169126167483422450, 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 (2141159281) 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, 214115924 + ... + 214115933.
It is an arithmetic number, because the mean of its divisors is an integer number (642347787).
Almost surely, 22141159285 is an apocalyptic number.
It is an amenable number.
2141159285 is a deficient number, since it is larger than the sum of its proper divisors (428231863).
2141159285 is an equidigital number, since it uses as much as digits as its factorization.
2141159285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 428231862.
The product of its digits is 28800, while the sum is 38.
The square root of 2141159285 is about 46272.6623936855. The cubic root of 2141159285 is about 1288.8913987832.
The spelling of 2141159285 in words is "two billion, one hundred forty-one million, one hundred fifty-nine thousand, two hundred eighty-five".
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