Base | Representation |
---|---|
bin | 1100010111101000100… |
… | …0100001011101110111 |
3 | 202022111122212001112102 |
4 | 3011322020201131313 |
5 | 11440201111431322 |
6 | 241342225012315 |
7 | 21232003016432 |
oct | 3057210413567 |
9 | 668448761472 |
10 | 212502452087 |
11 | 82138104532 |
12 | 3522678409b |
13 | 170675b6c13 |
14 | a3dc732819 |
15 | 57dad94792 |
hex | 317a221777 |
212502452087 has 2 divisors, whose sum is σ = 212502452088. Its totient is φ = 212502452086.
The previous prime is 212502452083. The next prime is 212502452111. The reversal of 212502452087 is 780254205212.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 212502452087 - 22 = 212502452083 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 212502452087.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (212502452083) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106251226043 + 106251226044.
It is an arithmetic number, because the mean of its divisors is an integer number (106251226044).
Almost surely, 2212502452087 is an apocalyptic number.
212502452087 is a deficient number, since it is larger than the sum of its proper divisors (1).
212502452087 is an equidigital number, since it uses as much as digits as its factorization.
212502452087 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 89600, while the sum is 38.
Adding to 212502452087 its reverse (780254205212), we get a palindrome (992756657299).
The spelling of 212502452087 in words is "two hundred twelve billion, five hundred two million, four hundred fifty-two thousand, eighty-seven".
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