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12143342040 = 2335863117259
BaseRepresentation
bin10110100111100110…
…01011000111011000
31011100021211200122220
423103303023013120
5144332143421130
65324545544040
7606631463364
oct132363130730
934307750586
1012143342040
115171666675
12242a945020
1311b6a720bb
14832a922a4
154b1137410
hex2d3ccb1d8

12143342040 has 64 divisors (see below), whose sum is σ = 36472550400. Its totient is φ = 3234444672.

The previous prime is 12143341907. The next prime is 12143342059. The reversal of 12143342040 is 4024334121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12143342040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44931 + ... + 162189.

It is an arithmetic number, because the mean of its divisors is an integer number (569883600).

Almost surely, 212143342040 is an apocalyptic number.

12143342040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12143342040 is an abundant number, since it is smaller than the sum of its proper divisors (24329208360).

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

12143342040 is a wasteful number, since it uses less digits than its factorization.

12143342040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118136 (or 118132 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12143342040 its reverse (4024334121), we get a palindrome (16167676161).

The spelling of 12143342040 in words is "twelve billion, one hundred forty-three million, three hundred forty-two thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 863 1726 2589 3452 4315 5178 6904 8630 10356 12945 17260 20712 25890 34520 51780 103560 117259 234518 351777 469036 586295 703554 938072 1172590 1407108 1758885 2345180 2814216 3517770 4690360 7035540 14071080 101194517 202389034 303583551 404778068 505972585 607167102 809556136 1011945170 1214334204 1517917755 2023890340 2428668408 3035835510 4047780680 6071671020 12143342040