Base | Representation |
---|---|
bin | 11110111000101011011… |
… | …010111000101001111000 |
3 | 21111220101122122210010002 |
4 | 132320223122320221320 |
5 | 234233230212443222 |
6 | 4303011520412132 |
7 | 306225045662360 |
oct | 36705332705170 |
9 | 7456348583102 |
10 | 2122442312312 |
11 | 749139398333 |
12 | 2a3415777048 |
13 | 1251b773054a |
14 | 74a2630b9a0 |
15 | 3a3225b6392 |
hex | 1ee2b6b8a78 |
2122442312312 has 16 divisors (see below), whose sum is σ = 4548090669360. Its totient is φ = 909618133824.
The previous prime is 2122442312227. The next prime is 2122442312317. The reversal of 2122442312312 is 2132132442212.
It is a super-2 number, since 2×21224423123122 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2122442312317) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18950377733 + ... + 18950377844.
It is an arithmetic number, because the mean of its divisors is an integer number (284255666835).
Almost surely, 22122442312312 is an apocalyptic number.
It is an amenable number.
2122442312312 is an abundant number, since it is smaller than the sum of its proper divisors (2425648357048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122442312312 is a wasteful number, since it uses less digits than its factorization.
2122442312312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37900755590 (or 37900755586 counting only the distinct ones).
The product of its digits is 9216, while the sum is 29.
Adding to 2122442312312 its reverse (2132132442212), we get a palindrome (4254574754524).
The spelling of 2122442312312 in words is "two trillion, one hundred twenty-two billion, four hundred forty-two million, three hundred twelve thousand, three hundred twelve".
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