Base | Representation |
---|---|
bin | 10111010100100100… |
… | …01111000011101111 |
3 | 1012022120200112112101 |
4 | 23222102033003233 |
5 | 201120232132112 |
6 | 5430223315531 |
7 | 622162126423 |
oct | 135222170357 |
9 | 35276615471 |
10 | 12520583407 |
11 | 53455a76a2 |
12 | 251514bba7 |
13 | 1246c75747 |
14 | 86ac10b83 |
15 | 4d4302757 |
hex | 2ea48f0ef |
12520583407 has 2 divisors, whose sum is σ = 12520583408. Its totient is φ = 12520583406.
The previous prime is 12520583287. The next prime is 12520583497. The reversal of 12520583407 is 70438502521.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12520583407 - 215 = 12520550639 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12520583497) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6260291703 + 6260291704.
It is an arithmetic number, because the mean of its divisors is an integer number (6260291704).
Almost surely, 212520583407 is an apocalyptic number.
12520583407 is a deficient number, since it is larger than the sum of its proper divisors (1).
12520583407 is an equidigital number, since it uses as much as digits as its factorization.
12520583407 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 67200, while the sum is 37.
The spelling of 12520583407 in words is "twelve billion, five hundred twenty million, five hundred eighty-three thousand, four hundred seven".
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