Search a number
-
+
12430401441 = 322990719949
BaseRepresentation
bin10111001001110100…
…01101111110100001
31012002021222211010120
423210322031332201
5200424140321231
65413242350453
7620015445303
oct134472157641
935067884116
1012430401441
1152a9701647
1224aaabb429
13123138ba33
1485cc57973
154cb43bd96
hex2e4e8dfa1

12430401441 has 16 divisors (see below), whose sum is σ = 16665432000. Its totient is φ = 8241236928.

The previous prime is 12430401433. The next prime is 12430401463. The reversal of 12430401441 is 14410403421.

It is not a de Polignac number, because 12430401441 - 23 = 12430401433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12430402441) 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 15 ways as a sum of consecutive naturals, for example, 613135 + ... + 633083.

It is an arithmetic number, because the mean of its divisors is an integer number (1041589500).

Almost surely, 212430401441 is an apocalyptic number.

It is an amenable number.

12430401441 is a deficient number, since it is larger than the sum of its proper divisors (4235030559).

12430401441 is a wasteful number, since it uses less digits than its factorization.

12430401441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21088.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12430401441 its reverse (14410403421), we get a palindrome (26840804862).

The spelling of 12430401441 in words is "twelve billion, four hundred thirty million, four hundred one thousand, four hundred forty-one".

Divisors: 1 3 229 687 907 2721 19949 59847 207703 623109 4568321 13704963 18093743 54281229 4143467147 12430401441