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12544432414 = 231719786171
BaseRepresentation
bin10111010111011010…
…01101100100011110
31012101020120012012221
423223231031210132
5201142333314124
65432434415554
7622601626153
oct135355154436
935336505187
1012544432414
115358006818
1225211315ba
13124bba5a97
1487005c22a
154d6463ce4
hex2ebb4d91e

12544432414 has 8 divisors (see below), whose sum is σ = 18876008088. Its totient is φ = 6252429720.

The previous prime is 12544432391. The next prime is 12544432423. The reversal of 12544432414 is 41423444521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12544432414.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9892452 + ... + 9893719.

It is an arithmetic number, because the mean of its divisors is an integer number (2359501011).

Almost surely, 212544432414 is an apocalyptic number.

12544432414 is a deficient number, since it is larger than the sum of its proper divisors (6331575674).

12544432414 is a wasteful number, since it uses less digits than its factorization.

12544432414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19786490.

The product of its digits is 61440, while the sum is 34.

Adding to 12544432414 its reverse (41423444521), we get a palindrome (53967876935).

The spelling of 12544432414 in words is "twelve billion, five hundred forty-four million, four hundred thirty-two thousand, four hundred fourteen".

Divisors: 1 2 317 634 19786171 39572342 6272216207 12544432414