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12430130000 = 24541243013
BaseRepresentation
bin10111001001110010…
…01011101101010000
31012002021111000210012
423210321023231100
5200424103130000
65413232454052
7620013235031
oct134471135520
935067430705
1012430130000
1152a9536712
1224aa9aa328
1312312c5312
1485cbc6a88
154cb3d6735
hex2e4e4bb50

12430130000 has 50 divisors (see below), whose sum is σ = 30094611954. Its totient is φ = 4972048000.

The previous prime is 12430129991. The next prime is 12430130021. The reversal of 12430130000 is 3103421.

12430130000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 5723830336 + 6706299664 = 75656^2 + 81892^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 611507 + ... + 631506.

Almost surely, 212430130000 is an apocalyptic number.

12430130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12430130000 is an abundant number, since it is smaller than the sum of its proper divisors (17664481954).

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

12430130000 is an equidigital number, since it uses as much as digits as its factorization.

12430130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243041 (or 1243020 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12430130000 its reverse (3103421), we get a palindrome (12433233421).

The spelling of 12430130000 in words is "twelve billion, four hundred thirty million, one hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 1243013 2486026 4972052 6215065 9944104 12430130 19888208 24860260 31075325 49720520 62150650 99441040 124301300 155376625 248602600 310753250 497205200 621506500 776883125 1243013000 1553766250 2486026000 3107532500 6215065000 12430130000