Base | Representation |
---|---|
bin | 100100110111011… |
… | …0010010001100001 |
3 | 10012012122011210110 |
4 | 1021232302101201 |
5 | 10013133020223 |
6 | 322425121533 |
7 | 42440223552 |
oct | 11156622141 |
9 | 3165564713 |
10 | 1237001313 |
11 | 585289439 |
12 | 2a63292a9 |
13 | 16937b152 |
14 | ba402329 |
15 | 738e8d93 |
hex | 49bb2461 |
1237001313 has 8 divisors (see below), whose sum is σ = 1657624000. Its totient is φ = 820523088.
The previous prime is 1237001303. The next prime is 1237001317. The reversal of 1237001313 is 3131007321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1237001313 - 25 = 1237001281 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1237001313.
It is not an unprimeable number, because it can be changed into a prime (1237001317) 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, 1035418 + ... + 1036611.
It is an arithmetic number, because the mean of its divisors is an integer number (207203000).
Almost surely, 21237001313 is an apocalyptic number.
It is an amenable number.
1237001313 is a deficient number, since it is larger than the sum of its proper divisors (420622687).
1237001313 is a wasteful number, since it uses less digits than its factorization.
1237001313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2072231.
The product of its (nonzero) digits is 378, while the sum is 21.
The square root of 1237001313 is about 35171.0294560736. The cubic root of 1237001313 is about 1073.4703502817.
Adding to 1237001313 its reverse (3131007321), we get a palindrome (4368008634).
The spelling of 1237001313 in words is "one billion, two hundred thirty-seven million, one thousand, three hundred thirteen".
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