Base | Representation |
---|---|
bin | 1001001001010110000110… |
… | …00111101011001101001001 |
3 | 2122012201101111101110011212 |
4 | 10210223003013223031021 |
5 | 10114010002433331334 |
6 | 110435245020502505 |
7 | 4144031542053104 |
oct | 444530307531511 |
9 | 78181344343155 |
10 | 20112310448969 |
11 | 6454645a15702 |
12 | 2309a980aaa35 |
13 | b2b776373abb |
14 | 4d762622d73b |
15 | 24d279c15ece |
hex | 124ac31eb349 |
20112310448969 has 2 divisors, whose sum is σ = 20112310448970. Its totient is φ = 20112310448968.
The previous prime is 20112310448953. The next prime is 20112310449061. The reversal of 20112310448969 is 96984401321102.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12317537833225 + 7794772615744 = 3509635^2 + 2791912^2 .
It is a cyclic number.
It is not a de Polignac number, because 20112310448969 - 24 = 20112310448953 is a prime.
It is a super-2 number, since 2×201123104489692 (a number of 27 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (20112310448369) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056155224484 + 10056155224485.
It is an arithmetic number, because the mean of its divisors is an integer number (10056155224485).
Almost surely, 220112310448969 is an apocalyptic number.
It is an amenable number.
20112310448969 is a deficient number, since it is larger than the sum of its proper divisors (1).
20112310448969 is an equidigital number, since it uses as much as digits as its factorization.
20112310448969 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 746496, while the sum is 50.
The spelling of 20112310448969 in words is "twenty trillion, one hundred twelve billion, three hundred ten million, four hundred forty-eight thousand, nine hundred sixty-nine".
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