Base | Representation |
---|---|
bin | 1011000110110101010010… |
… | …0101010110111011111011 |
3 | 1121020110100001100222122112 |
4 | 2301231110211112323323 |
5 | 3100040144320230242 |
6 | 41550042003442535 |
7 | 2400201006442316 |
oct | 261552445267373 |
9 | 47213301328575 |
10 | 12212011101947 |
11 | 39890a299a738 |
12 | 145292998644b |
13 | 6a778425c877 |
14 | 3030c8d6b97d |
15 | 1629e0aa9c82 |
hex | b1b54956efb |
12212011101947 has 2 divisors, whose sum is σ = 12212011101948. Its totient is φ = 12212011101946.
The previous prime is 12212011101853. The next prime is 12212011101991. The reversal of 12212011101947 is 74910111021221.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12212011101947 - 212 = 12212011097851 is a prime.
It is not a weakly prime, because it can be changed into another prime (12212041101947) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106005550973 + 6106005550974.
It is an arithmetic number, because the mean of its divisors is an integer number (6106005550974).
Almost surely, 212212011101947 is an apocalyptic number.
12212011101947 is a deficient number, since it is larger than the sum of its proper divisors (1).
12212011101947 is an equidigital number, since it uses as much as digits as its factorization.
12212011101947 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2016, while the sum is 32.
The spelling of 12212011101947 in words is "twelve trillion, two hundred twelve billion, eleven million, one hundred one thousand, nine hundred forty-seven".
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