Base | Representation |
---|---|
bin | 1100010101110000111… |
… | …1101000101011010111 |
3 | 202021012201021122210111 |
4 | 3011130033220223113 |
5 | 11433134224001101 |
6 | 241220353103451 |
7 | 21213403524433 |
oct | 3053417505327 |
9 | 667181248714 |
10 | 212001000151 |
11 | 81a00046246 |
12 | 35106857b87 |
13 | 16cb7743cb5 |
14 | a391cbd9c3 |
15 | 57abd41251 |
hex | 315c3e8ad7 |
212001000151 has 2 divisors, whose sum is σ = 212001000152. Its totient is φ = 212001000150.
The previous prime is 212001000143. The next prime is 212001000191. The reversal of 212001000151 is 151000100212.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 212001000151 - 23 = 212001000143 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (212001000191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000500075 + 106000500076.
It is an arithmetic number, because the mean of its divisors is an integer number (106000500076).
Almost surely, 2212001000151 is an apocalyptic number.
212001000151 is a deficient number, since it is larger than the sum of its proper divisors (1).
212001000151 is an equidigital number, since it uses as much as digits as its factorization.
212001000151 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 20, while the sum is 13.
Adding to 212001000151 its reverse (151000100212), we get a palindrome (363001100363).
The spelling of 212001000151 in words is "two hundred twelve billion, one million, one hundred fifty-one", and thus it is an aban number.
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