Base | Representation |
---|---|
bin | 100011110011010… |
… | …1111111101010001 |
3 | 10002201112102000000 |
4 | 1013212233331101 |
5 | 4430020341431 |
6 | 315112520213 |
7 | 41525136453 |
oct | 10746577521 |
9 | 3081472000 |
10 | 1201340241 |
11 | 567141782 |
12 | 2963b0069 |
13 | 161b7351a |
14 | b579c2d3 |
15 | 707029e6 |
hex | 479aff51 |
1201340241 has 112 divisors (see below), whose sum is σ = 2039800320. Its totient is φ = 703572480.
The previous prime is 1201340213. The next prime is 1201340249. The reversal of 1201340241 is 1420431021.
It is not a de Polignac number, because 1201340241 - 230 = 127598417 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1201340249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 20361670 + ... + 20361728.
Almost surely, 21201340241 is an apocalyptic number.
It is an amenable number.
1201340241 is a deficient number, since it is larger than the sum of its proper divisors (838460079).
1201340241 is an equidigital number, since it uses as much as digits as its factorization.
1201340241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 178 (or 163 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 1201340241 is about 34660.3554655748. The cubic root of 1201340241 is about 1063.0540382634.
Adding to 1201340241 its reverse (1420431021), we get a palindrome (2621771262).
The spelling of 1201340241 in words is "one billion, two hundred one million, three hundred forty thousand, two hundred forty-one".
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