Base | Representation |
---|---|
bin | 101000111011010… |
… | …0001101111101101 |
3 | 10112201000020210022 |
4 | 1101312201233231 |
5 | 10303022422433 |
6 | 344133251525 |
7 | 46013263631 |
oct | 12166415755 |
9 | 3481006708 |
10 | 1373248493 |
11 | 645187a11 |
12 | 323a93ba5 |
13 | 18b673296 |
14 | d054adc1 |
15 | 8085d698 |
hex | 51da1bed |
1373248493 has 2 divisors, whose sum is σ = 1373248494. Its totient is φ = 1373248492.
The previous prime is 1373248483. The next prime is 1373248537. The reversal of 1373248493 is 3948423731.
It is an a-pointer prime, because the next prime (1373248537) can be obtained adding 1373248493 to its sum of digits (44).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 812364004 + 560884489 = 28502^2 + 23683^2 .
It is a cyclic number.
It is not a de Polignac number, because 1373248493 - 214 = 1373232109 is a prime.
It is a super-2 number, since 2×13732484932 = 3771622847053542098, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1373248463) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686624246 + 686624247.
It is an arithmetic number, because the mean of its divisors is an integer number (686624247).
Almost surely, 21373248493 is an apocalyptic number.
It is an amenable number.
1373248493 is a deficient number, since it is larger than the sum of its proper divisors (1).
1373248493 is an equidigital number, since it uses as much as digits as its factorization.
1373248493 is an evil number, because the sum of its binary digits is even.
The product of its digits is 435456, while the sum is 44.
The square root of 1373248493 is about 37057.3675940426. The cubic root of 1373248493 is about 1111.5176850605.
The spelling of 1373248493 in words is "one billion, three hundred seventy-three million, two hundred forty-eight thousand, four hundred ninety-three".
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