Base | Representation |
---|---|
bin | 11110111000011110001… |
… | …111011101000110111101 |
3 | 21111212211020121201122002 |
4 | 132320132033131012331 |
5 | 234232302112241333 |
6 | 4302533541432045 |
7 | 306216422444333 |
oct | 36703617350675 |
9 | 7455736551562 |
10 | 2122221212093 |
11 | 749035603484 |
12 | 2a337370b625 |
13 | 125180999108 |
14 | 74a04bd5b53 |
15 | 3a30ce900e8 |
hex | 1ee1e3dd1bd |
2122221212093 has 8 divisors (see below), whose sum is σ = 2142129732600. Its totient is φ = 2102320666368.
The previous prime is 2122221212051. The next prime is 2122221212129. The reversal of 2122221212093 is 3902121222212.
It can be written as a sum of positive squares in 4 ways, for example, as 860222860324 + 1261998351769 = 927482^2 + 1123387^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2122221212093 - 28 = 2122221211837 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2122221212593) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1458296 + ... + 2524097.
It is an arithmetic number, because the mean of its divisors is an integer number (267766216575).
Almost surely, 22122221212093 is an apocalyptic number.
It is an amenable number.
2122221212093 is a deficient number, since it is larger than the sum of its proper divisors (19908520507).
2122221212093 is a wasteful number, since it uses less digits than its factorization.
2122221212093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3987391.
The product of its (nonzero) digits is 3456, while the sum is 29.
The spelling of 2122221212093 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred twelve thousand, ninety-three".
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