Base | Representation |
---|---|
bin | 101111001000101001… |
… | …1101011111100010001 |
3 | 100200021100020200221021 |
4 | 1132101103223330101 |
5 | 3124300324323344 |
6 | 114300100555441 |
7 | 10212243460255 |
oct | 1362123537421 |
9 | 320240220837 |
10 | 101222104849 |
11 | 39a2326a608 |
12 | 1774b0b2b81 |
13 | 9711a733c8 |
14 | 4c834a6265 |
15 | 297668eb84 |
hex | 17914ebf11 |
101222104849 has 2 divisors, whose sum is σ = 101222104850. Its totient is φ = 101222104848.
The previous prime is 101222104847. The next prime is 101222104889. The reversal of 101222104849 is 948401222101.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 88665781824 + 12556323025 = 297768^2 + 112055^2 .
It is an emirp because it is prime and its reverse (948401222101) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 101222104849 - 21 = 101222104847 is a prime.
Together with 101222104847, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (101222104843) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50611052424 + 50611052425.
It is an arithmetic number, because the mean of its divisors is an integer number (50611052425).
Almost surely, 2101222104849 is an apocalyptic number.
It is an amenable number.
101222104849 is a deficient number, since it is larger than the sum of its proper divisors (1).
101222104849 is an equidigital number, since it uses as much as digits as its factorization.
101222104849 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9216, while the sum is 34.
The spelling of 101222104849 in words is "one hundred one billion, two hundred twenty-two million, one hundred four thousand, eight hundred forty-nine".
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