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13424134340 = 2251479745361
BaseRepresentation
bin11001000000010010…
…00000100011000100
31021122112212200101202
430200021000203010
5204443034244330
610100021442032
7653443154621
oct144011004304
937575780352
1013424134340
115769634901
122727870318
13135c213476
14914c13348
155387d1445
hex3202408c4

13424134340 has 24 divisors (see below), whose sum is σ = 28193208792. Its totient is φ = 5369172480.

The previous prime is 13424134301. The next prime is 13424134379. The reversal of 13424134340 is 4343142431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13424134301) and next prime (13424134379).

It can be written as a sum of positive squares in 4 ways, for example, as 138344644 + 13285789696 = 11762^2 + 115264^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273260 + ... + 318620.

It is an arithmetic number, because the mean of its divisors is an integer number (1174717033).

Almost surely, 213424134340 is an apocalyptic number.

13424134340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13424134340 is an abundant number, since it is smaller than the sum of its proper divisors (14769074452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13424134340 is a wasteful number, since it uses less digits than its factorization.

13424134340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60167 (or 60165 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 13424134340 its reverse (4343142431), we get a palindrome (17767276771).

The spelling of 13424134340 in words is "thirteen billion, four hundred twenty-four million, one hundred thirty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 14797 29594 45361 59188 73985 90722 147970 181444 226805 295940 453610 907220 671206717 1342413434 2684826868 3356033585 6712067170 13424134340