Base | Representation |
---|---|
bin | 100101100011… |
… | …1110111001111 |
3 | 1101001111201122 |
4 | 1023013313033 |
5 | 20020134012 |
6 | 1542031155 |
7 | 326250005 |
oct | 113076717 |
9 | 41044648 |
10 | 19693007 |
11 | 10130714 |
12 | 67184bb |
13 | 4106789 |
14 | 2888a75 |
15 | 1adee72 |
hex | 12c7dcf |
19693007 has 2 divisors, whose sum is σ = 19693008. Its totient is φ = 19693006.
The previous prime is 19692989. The next prime is 19693013. The reversal of 19693007 is 70039691.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 19693007 - 214 = 19676623 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (19693027) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9846503 + 9846504.
It is an arithmetic number, because the mean of its divisors is an integer number (9846504).
Almost surely, 219693007 is an apocalyptic number.
19693007 is a deficient number, since it is larger than the sum of its proper divisors (1).
19693007 is an equidigital number, since it uses as much as digits as its factorization.
19693007 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10206, while the sum is 35.
The square root of 19693007 is about 4437.6803625318. The cubic root of 19693007 is about 270.0457489922.
The spelling of 19693007 in words is "nineteen million, six hundred ninety-three thousand, seven".
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