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12144355050 = 2352543714891
BaseRepresentation
bin10110100111101110…
…00010011011101010
31011100100202011020210
423103313002123222
5144332423330200
65325023401550
7606643212642
oct132367023352
934310664223
1012144355050
115172198773
12242b1532b6
1311b7038209
14832c77522
154b1287650
hex2d3dc26ea

12144355050 has 48 divisors (see below), whose sum is σ = 30125562912. Its totient is φ = 3237681600.

The previous prime is 12144354979. The next prime is 12144355057. The reversal of 12144355050 is 5055344121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12144354999 and 12144355017.

It is not an unprimeable number, because it can be changed into a prime (12144355057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 808105 + ... + 822995.

It is an arithmetic number, because the mean of its divisors is an integer number (627615894).

Almost surely, 212144355050 is an apocalyptic number.

12144355050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12144355050 is an abundant number, since it is smaller than the sum of its proper divisors (17981207862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12144355050 is a wasteful number, since it uses less digits than its factorization.

12144355050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20343 (or 20338 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 12144355050 its reverse (5055344121), we get a palindrome (17199699171).

The spelling of 12144355050 in words is "twelve billion, one hundred forty-four million, three hundred fifty-five thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 5437 10874 14891 16311 27185 29782 32622 44673 54370 74455 81555 89346 135925 148910 163110 223365 271850 372275 407775 446730 744550 815550 1116825 2233650 80962367 161924734 242887101 404811835 485774202 809623670 1214435505 2024059175 2428871010 4048118350 6072177525 12144355050