Base | Representation |
---|---|
bin | 111111111100001… |
… | …1110001111010001 |
3 | 12112112011012220102 |
4 | 1333320132033101 |
5 | 13343222312403 |
6 | 552521422145 |
7 | 104111352140 |
oct | 17770361721 |
9 | 5475135812 |
10 | 2145510353 |
11 | a010a2758 |
12 | 4ba63a955 |
13 | 28266386c |
14 | 164d35757 |
15 | c8556b88 |
hex | 7fe1e3d1 |
2145510353 has 8 divisors (see below), whose sum is σ = 2452339008. Its totient is φ = 1838763504.
The previous prime is 2145510337. The next prime is 2145510371. The reversal of 2145510353 is 3530155412.
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 2145510353 - 24 = 2145510337 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2145510383) 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, 53675 + ... + 84687.
It is an arithmetic number, because the mean of its divisors is an integer number (306542376).
Almost surely, 22145510353 is an apocalyptic number.
It is an amenable number.
2145510353 is a deficient number, since it is larger than the sum of its proper divisors (306828655).
2145510353 is an equidigital number, since it uses as much as digits as its factorization.
2145510353 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40903.
The product of its (nonzero) digits is 9000, while the sum is 29.
The square root of 2145510353 is about 46319.6540682246. The cubic root of 2145510353 is about 1289.7638637944.
Adding to 2145510353 its reverse (3530155412), we get a palindrome (5675665765).
The spelling of 2145510353 in words is "two billion, one hundred forty-five million, five hundred ten thousand, three hundred fifty-three".
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