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12430105115 = 561229177967
BaseRepresentation
bin10111001001110010…
…00101101000011011
31012002021102202122112
423210321011220123
5200424101330430
65413232142535
7620013102341
oct134471055033
935067382575
1012430105115
1152a9519a4a
1224aa997a4b
1312312b6bac
1485cbbb991
154cb3ce195
hex2e4e45a1b

12430105115 has 16 divisors (see below), whose sum is σ = 15226942080. Its totient is φ = 9738299520.

The previous prime is 12430105109. The next prime is 12430105133. The reversal of 12430105115 is 51150103421.

12430105115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12430105115 - 226 = 12362996251 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 19139 + ... + 158828.

It is an arithmetic number, because the mean of its divisors is an integer number (951683880).

Almost surely, 212430105115 is an apocalyptic number.

12430105115 is a deficient number, since it is larger than the sum of its proper divisors (2796836965).

12430105115 is a wasteful number, since it uses less digits than its factorization.

12430105115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178262.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 12430105115 its reverse (51150103421), we get a palindrome (63580208536).

The spelling of 12430105115 in words is "twelve billion, four hundred thirty million, one hundred five thousand, one hundred fifteen".

Divisors: 1 5 61 229 305 1145 13969 69845 177967 889835 10855987 40754443 54279935 203772215 2486021023 12430105115