Base | Representation |
---|---|
bin | 1100010010110010110… |
… | …0010011101100111111 |
3 | 202012011010002201111212 |
4 | 3010230230103230333 |
5 | 11430021010210142 |
6 | 241005253435035 |
7 | 21154545443654 |
oct | 3045454235477 |
9 | 665133081455 |
10 | 211203210047 |
11 | 81630784785 |
12 | 34b2363ba7b |
13 | 16bbb385c4b |
14 | a317d6bc2b |
15 | 5761ca3d82 |
hex | 312cb13b3f |
211203210047 has 2 divisors, whose sum is σ = 211203210048. Its totient is φ = 211203210046.
The previous prime is 211203209983. The next prime is 211203210083. The reversal of 211203210047 is 740012302112.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 211203210047 - 26 = 211203209983 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (211203210247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105601605023 + 105601605024.
It is an arithmetic number, because the mean of its divisors is an integer number (105601605024).
Almost surely, 2211203210047 is an apocalyptic number.
211203210047 is a deficient number, since it is larger than the sum of its proper divisors (1).
211203210047 is an equidigital number, since it uses as much as digits as its factorization.
211203210047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 672, while the sum is 23.
Adding to 211203210047 its reverse (740012302112), we get a palindrome (951215512159).
The spelling of 211203210047 in words is "two hundred eleven billion, two hundred three million, two hundred ten thousand, forty-seven".
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