Base | Representation |
---|---|
bin | 100110110000001… |
… | …1011000100101011 |
3 | 10100121211101011210 |
4 | 1031200123010223 |
5 | 10130342021011 |
6 | 333010524203 |
7 | 44136515451 |
oct | 11540330453 |
9 | 3317741153 |
10 | 1300345131 |
11 | 6080135a8 |
12 | 303596663 |
13 | 1795290b7 |
14 | c49b09d1 |
15 | 7925c6a6 |
hex | 4d81b12b |
1300345131 has 32 divisors (see below), whose sum is σ = 1814077440. Its totient is φ = 827760384.
The previous prime is 1300345093. The next prime is 1300345133. The reversal of 1300345131 is 1315430031.
It is a de Polignac number, because none of the positive numbers 2k-1300345131 is a prime.
It is a super-2 number, since 2×13003451312 = 3381794919430814322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1300345098 and 1300345107.
It is not an unprimeable number, because it can be changed into a prime (1300345133) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3103240 + ... + 3103658.
It is an arithmetic number, because the mean of its divisors is an integer number (56689920).
Almost surely, 21300345131 is an apocalyptic number.
1300345131 is a deficient number, since it is larger than the sum of its proper divisors (513732309).
1300345131 is a wasteful number, since it uses less digits than its factorization.
1300345131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 915.
The product of its (nonzero) digits is 540, while the sum is 21.
The square root of 1300345131 is about 36060.2985428574. The cubic root of 1300345131 is about 1091.4894574684.
Adding to 1300345131 its reverse (1315430031), we get a palindrome (2615775162).
The spelling of 1300345131 in words is "one billion, three hundred million, three hundred forty-five thousand, one hundred thirty-one".
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