Base | Representation |
---|---|
bin | 10110100111101011… |
… | …01110110101101010 |
3 | 1011100100002202120022 |
4 | 23103311232311222 |
5 | 144332331401100 |
6 | 5325012200442 |
7 | 606640255460 |
oct | 132365566552 |
9 | 34310082508 |
10 | 12144012650 |
11 | 5171a844a0 |
12 | 242b009122 |
13 | 11b6c48403 |
14 | 832bc8830 |
15 | 4b121ae85 |
hex | 2d3d6ed6a |
12144012650 has 96 divisors (see below), whose sum is σ = 29386119168. Its totient is φ = 3620548800.
The previous prime is 12144012593. The next prime is 12144012689. The reversal of 12144012650 is 5621044121.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19979 + ... + 157121.
It is an arithmetic number, because the mean of its divisors is an integer number (306105408).
Almost surely, 212144012650 is an apocalyptic number.
12144012650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12144012650 is an abundant number, since it is smaller than the sum of its proper divisors (17242106518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12144012650 is a wasteful number, since it uses less digits than its factorization.
12144012650 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137196 (or 137191 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 26.
Adding to 12144012650 its reverse (5621044121), we get a palindrome (17765056771).
The spelling of 12144012650 in words is "twelve billion, one hundred forty-four million, twelve thousand, six hundred fifty".
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