Base | Representation |
---|---|
bin | 10110100111101111… |
… | …00101111000011010 |
3 | 1011100101000112102120 |
4 | 23103313211320122 |
5 | 144332443002000 |
6 | 5325030442110 |
7 | 606644356161 |
oct | 132367457032 |
9 | 34311015376 |
10 | 12144500250 |
11 | 5172287873 |
12 | 242b203336 |
13 | 11b708932c |
14 | 832cb43d8 |
15 | 4b12b56a0 |
hex | 2d3de5e1a |
12144500250 has 64 divisors (see below), whose sum is σ = 31630659840. Its totient is φ = 3097723200.
The previous prime is 12144500183. The next prime is 12144500257. The reversal of 12144500250 is 5200544121.
It is a self number, because there is not a number n which added to its sum of digits gives 12144500250.
It is not an unprimeable number, because it can be changed into a prime (12144500257) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334765 + ... + 369264.
It is an arithmetic number, because the mean of its divisors is an integer number (494229060).
Almost surely, 212144500250 is an apocalyptic number.
12144500250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12144500250 is an abundant number, since it is smaller than the sum of its proper divisors (19486159590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12144500250 is a wasteful number, since it uses less digits than its factorization.
12144500250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 704072 (or 704062 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 24.
The spelling of 12144500250 in words is "twelve billion, one hundred forty-four million, five hundred thousand, two hundred fifty".
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