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13430040424 = 233374981469
BaseRepresentation
bin11001000000111111…
…00010011101101000
31021122221222202000121
430200133202131220
5210001042243144
610100352213024
7653544313543
oct144037423550
937587882017
1013430040424
1157719a9169
12272983a174
1313605007a8
1491590d85a
1553909b384
hex3207e2768

13430040424 has 16 divisors (see below), whose sum is σ = 25256052900. Its totient is φ = 6695092992.

The previous prime is 13430040419. The next prime is 13430040431. The reversal of 13430040424 is 42404003431.

It can be written as a sum of positive squares in 2 ways, for example, as 13158384100 + 271656324 = 114710^2 + 16482^2 .

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, 2488039 + ... + 2493430.

Almost surely, 213430040424 is an apocalyptic number.

It is an amenable number.

13430040424 is a deficient number, since it is larger than the sum of its proper divisors (11826012476).

13430040424 is a wasteful number, since it uses less digits than its factorization.

13430040424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4981812 (or 4981808 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 13430040424 its reverse (42404003431), we get a palindrome (55834043855).

It can be divided in two parts, 134300 and 40424, that added together give a square (174724 = 4182).

The spelling of 13430040424 in words is "thirteen billion, four hundred thirty million, forty thousand, four hundred twenty-four".

Divisors: 1 2 4 8 337 674 1348 2696 4981469 9962938 19925876 39851752 1678755053 3357510106 6715020212 13430040424