Base | Representation |
---|---|
bin | 101100011111101… |
… | …1010101010100101 |
3 | 10212001101020110011 |
4 | 1120333122222211 |
5 | 11024203104201 |
6 | 404052330221 |
7 | 51666311644 |
oct | 13077325245 |
9 | 3761336404 |
10 | 1493019301 |
11 | 6a6852554 |
12 | 358013971 |
13 | 1aa419a97 |
14 | 10240735b |
15 | 8b11b151 |
hex | 58fdaaa5 |
1493019301 has 4 divisors (see below), whose sum is σ = 1533371212. Its totient is φ = 1452667392.
The previous prime is 1493019293. The next prime is 1493019323. The reversal of 1493019301 is 1039103941.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1039103941 = 2017 ⋅515173.
It can be written as a sum of positive squares in 2 ways, for example, as 1447726401 + 45292900 = 38049^2 + 6730^2 .
It is a cyclic number.
It is not a de Polignac number, because 1493019301 - 23 = 1493019293 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1493019361) 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, 20175900 + ... + 20175973.
It is an arithmetic number, because the mean of its divisors is an integer number (383342803).
Almost surely, 21493019301 is an apocalyptic number.
It is an amenable number.
1493019301 is a deficient number, since it is larger than the sum of its proper divisors (40351911).
1493019301 is an equidigital number, since it uses as much as digits as its factorization.
1493019301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40351910.
The product of its (nonzero) digits is 2916, while the sum is 31.
The square root of 1493019301 is about 38639.6079302055. The cubic root of 1493019301 is about 1142.9357239442.
The spelling of 1493019301 in words is "one billion, four hundred ninety-three million, nineteen thousand, three hundred one".
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