Base | Representation |
---|---|
bin | 100100011010111… |
… | …1100110001100110 |
3 | 10011011121012221102 |
4 | 1020311330301212 |
5 | 10000324231433 |
6 | 321133520102 |
7 | 42166460636 |
oct | 11065746146 |
9 | 3134535842 |
10 | 1222102118 |
11 | 577932456 |
12 | 2a1343032 |
13 | 166262663 |
14 | b84446c6 |
15 | 724544e8 |
hex | 48d7cc66 |
1222102118 has 8 divisors (see below), whose sum is σ = 1833516648. Its totient is φ = 610929904.
The previous prime is 1222102111. The next prime is 1222102139. The reversal of 1222102118 is 8112012221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 1222102118.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222102111) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47396 + ... + 68487.
It is an arithmetic number, because the mean of its divisors is an integer number (229189581).
Almost surely, 21222102118 is an apocalyptic number.
1222102118 is a deficient number, since it is larger than the sum of its proper divisors (611414530).
1222102118 is a wasteful number, since it uses less digits than its factorization.
1222102118 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121158.
The product of its (nonzero) digits is 128, while the sum is 20.
The square root of 1222102118 is about 34958.5771735636. The cubic root of 1222102118 is about 1069.1430871772.
Adding to 1222102118 its reverse (8112012221), we get a palindrome (9334114339).
The spelling of 1222102118 in words is "one billion, two hundred twenty-two million, one hundred two thousand, one hundred eighteen".
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