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12144500250 = 235323704029
BaseRepresentation
bin10110100111101111…
…00101111000011010
31011100101000112102120
423103313211320122
5144332443002000
65325030442110
7606644356161
oct132367457032
934311015376
1012144500250
115172287873
12242b203336
1311b708932c
14832cb43d8
154b12b56a0
hex2d3de5e1a

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".

Divisors: 1 2 3 5 6 10 15 23 25 30 46 50 69 75 115 125 138 150 230 250 345 375 575 690 750 1150 1725 2875 3450 5750 8625 17250 704029 1408058 2112087 3520145 4224174 7040290 10560435 16192667 17600725 21120870 32385334 35201450 48578001 52802175 80963335 88003625 97156002 105604350 161926670 176007250 242890005 264010875 404816675 485780010 528021750 809633350 1214450025 2024083375 2428900050 4048166750 6072250125 12144500250