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13124042444 = 2219479360511
BaseRepresentation
bin11000011100100000…
…01111111011001100
31020212122012102201002
430032100033323030
5203334223324234
610010141435432
7643140343262
oct141620177314
936778172632
1013124042444
1156251a8377
12266326bb78
131311cb28b6
148c7018432
1551c2a527e
hex30e40fecc

13124042444 has 24 divisors (see below), whose sum is σ = 24226406400. Its totient is φ = 6203656080.

The previous prime is 13124042377. The next prime is 13124042447. The reversal of 13124042444 is 44424042131.

13124042444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13124042447) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 143852 + ... + 216659.

It is an arithmetic number, because the mean of its divisors is an integer number (1009433600).

Almost surely, 213124042444 is an apocalyptic number.

It is an amenable number.

13124042444 is a deficient number, since it is larger than the sum of its proper divisors (11102363956).

13124042444 is a wasteful number, since it uses less digits than its factorization.

13124042444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361013 (or 361011 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 13124042444 its reverse (44424042131), we get a palindrome (57548084575).

The spelling of 13124042444 in words is "thirteen billion, one hundred twenty-four million, forty-two thousand, four hundred forty-four".

Divisors: 1 2 4 19 38 76 479 958 1916 9101 18202 36404 360511 721022 1442044 6849709 13699418 27398836 172684769 345369538 690739076 3281010611 6562021222 13124042444