Search a number
-
+
12343443130 = 25172911322157
BaseRepresentation
bin10110111111011100…
…11111111010111010
31011212020100212202101
423133232133322322
5200234410140010
65400454454014
7614611351444
oct133756377272
934766325671
1012343443130
115264608577
12248596430a
131219363405
1485149d494
154c39b173a
hex2dfb9feba

12343443130 has 64 divisors (see below), whose sum is σ = 24552836640. Its totient is φ = 4446797824.

The previous prime is 12343443121. The next prime is 12343443137. The reversal of 12343443130 is 3134434321.

It can be written as a sum of positive squares in 16 ways, for example, as 1468499041 + 10874944089 = 38321^2 + 104283^2 .

It is not an unprimeable number, because it can be changed into a prime (12343443137) 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, 546012 + ... + 568168.

Almost surely, 212343443130 is an apocalyptic number.

12343443130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12343443130 is a deficient number, since it is larger than the sum of its proper divisors (12209393510).

12343443130 is a wasteful number, since it uses less digits than its factorization.

12343443130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22323.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 12343443130 its reverse (3134434321), we get a palindrome (15477877451).

The spelling of 12343443130 in words is "twelve billion, three hundred forty-three million, four hundred forty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 17 29 34 58 85 113 145 170 226 290 493 565 986 1130 1921 2465 3277 3842 4930 6554 9605 16385 19210 22157 32770 44314 55709 110785 111418 221570 278545 376669 557090 642553 753338 1285106 1883345 2503741 3212765 3766690 5007482 6425530 10923401 12518705 21846802 25037410 42563597 54617005 72608489 85127194 109234010 145216978 212817985 363042445 425635970 726084890 1234344313 2468688626 6171721565 12343443130