Base | Representation |
---|---|
bin | 10110101110100110… |
… | …10110101110110111 |
3 | 1011111101102101222112 |
4 | 23113103112232313 |
5 | 144442220004004 |
6 | 5334445321235 |
7 | 611244136241 |
oct | 132723265667 |
9 | 34441371875 |
10 | 12202109879 |
11 | 51a1855833 |
12 | 244656621b |
13 | 11c5caa27b |
14 | 83a7cd091 |
15 | 4b6394e6e |
hex | 2d74d6bb7 |
12202109879 has 2 divisors, whose sum is σ = 12202109880. Its totient is φ = 12202109878.
The previous prime is 12202109827. The next prime is 12202109963. The reversal of 12202109879 is 97890120221.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12202109879 - 216 = 12202044343 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12202109809) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101054939 + 6101054940.
It is an arithmetic number, because the mean of its divisors is an integer number (6101054940).
Almost surely, 212202109879 is an apocalyptic number.
12202109879 is a deficient number, since it is larger than the sum of its proper divisors (1).
12202109879 is an equidigital number, since it uses as much as digits as its factorization.
12202109879 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 36288, while the sum is 41.
The spelling of 12202109879 in words is "twelve billion, two hundred two million, one hundred nine thousand, eight hundred seventy-nine".
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