Base | Representation |
---|---|
bin | 100011110011010… |
… | …1111111100111111 |
3 | 10002201112101222100 |
4 | 1013212233330333 |
5 | 4430020341343 |
6 | 315112520143 |
7 | 41525136426 |
oct | 10746577477 |
9 | 3081471870 |
10 | 1201340223 |
11 | 567141766 |
12 | 2963b0053 |
13 | 161b73505 |
14 | b579c2bd |
15 | 707029d3 |
hex | 479aff3f |
1201340223 has 12 divisors (see below), whose sum is σ = 1735683040. Its totient is φ = 800702496.
The previous prime is 1201340213. The next prime is 1201340249. The reversal of 1201340223 is 3220431021.
It is not a de Polignac number, because 1201340223 - 26 = 1201340159 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1201340196 and 1201340205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1201340213) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31290 + ... + 58152.
Almost surely, 21201340223 is an apocalyptic number.
1201340223 is a deficient number, since it is larger than the sum of its proper divisors (534342817).
1201340223 is a wasteful number, since it uses less digits than its factorization.
1201340223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31838 (or 31835 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 1201340223 is about 34660.3552059121. The cubic root of 1201340223 is about 1063.0540329541.
Adding to 1201340223 its reverse (3220431021), we get a palindrome (4421771244).
The spelling of 1201340223 in words is "one billion, two hundred one million, three hundred forty thousand, two hundred twenty-three".
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