Base | Representation |
---|---|
bin | 10110101111100100… |
… | …01101110101101001 |
3 | 1011111221122102102102 |
4 | 23113302031311221 |
5 | 200001302344123 |
6 | 5335334543145 |
7 | 611402662322 |
oct | 132762156551 |
9 | 34457572372 |
10 | 12210199913 |
11 | 51a6380a0a |
12 | 2449207ab5 |
13 | 11c7880682 |
14 | 83b8d7449 |
15 | 4b6e42028 |
hex | 2d7c8dd69 |
12210199913 has 2 divisors, whose sum is σ = 12210199914. Its totient is φ = 12210199912.
The previous prime is 12210199909. The next prime is 12210199951. The reversal of 12210199913 is 31999101221.
It is an a-pointer prime, because the next prime (12210199951) can be obtained adding 12210199913 to its sum of digits (38).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12207598144 + 2601769 = 110488^2 + 1613^2 .
It is a cyclic number.
It is not a de Polignac number, because 12210199913 - 22 = 12210199909 is a prime.
It is not a weakly prime, because it can be changed into another prime (12210199013) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105099956 + 6105099957.
It is an arithmetic number, because the mean of its divisors is an integer number (6105099957).
Almost surely, 212210199913 is an apocalyptic number.
It is an amenable number.
12210199913 is a deficient number, since it is larger than the sum of its proper divisors (1).
12210199913 is an equidigital number, since it uses as much as digits as its factorization.
12210199913 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8748, while the sum is 38.
The spelling of 12210199913 in words is "twelve billion, two hundred ten million, one hundred ninety-nine thousand, nine hundred thirteen".
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