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13440413334 = 232853778497
BaseRepresentation
bin11001000010001110…
…00110111010010110
31021200200111201222110
430201013012322112
5210011221211314
610101402411450
7654031425345
oct144107067226
937620451873
1013440413334
115777843517
122731200b86
1313626c2cca
1491704db5c
15539e49a59
hex3211c6e96

13440413334 has 16 divisors (see below), whose sum is σ = 26882111088. Its totient is φ = 4479923712.

The previous prime is 13440413309. The next prime is 13440413347. The reversal of 13440413334 is 43331404431.

It is a congruent number.

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, 131974 + ... + 210470.

It is an arithmetic number, because the mean of its divisors is an integer number (1680131943).

Almost surely, 213440413334 is an apocalyptic number.

13440413334 is an abundant number, since it is smaller than the sum of its proper divisors (13441697754).

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

13440413334 is a wasteful number, since it uses less digits than its factorization.

13440413334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107039.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 13440413334 its reverse (43331404431), we get a palindrome (56771817765).

The spelling of 13440413334 in words is "thirteen billion, four hundred forty million, four hundred thirteen thousand, three hundred thirty-four".

Divisors: 1 2 3 6 28537 57074 78497 85611 156994 171222 235491 470982 2240068889 4480137778 6720206667 13440413334