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13440460351 = 113118942127
BaseRepresentation
bin11001000010001110…
…10010011000111111
31021200200121010110211
430201013102120333
5210011224212401
610101403413251
7654032012413
oct144107223077
937620533424
1013440460351
11577787587a
122731224227
13136270b526
14917062d43
15539e58951
hex3211d263f

13440460351 has 4 divisors (see below), whose sum is σ = 13559402592. Its totient is φ = 13321518112.

The previous prime is 13440460337. The next prime is 13440460357. The reversal of 13440460351 is 15306404431.

It is a happy number.

13440460351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13440460351 - 211 = 13440458303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440460357) 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 3 ways as a sum of consecutive naturals, for example, 59470951 + ... + 59471176.

It is an arithmetic number, because the mean of its divisors is an integer number (3389850648).

Almost surely, 213440460351 is an apocalyptic number.

13440460351 is a deficient number, since it is larger than the sum of its proper divisors (118942241).

13440460351 is a wasteful number, since it uses less digits than its factorization.

13440460351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118942240.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 13440460351 its reverse (15306404431), we get a palindrome (28746864782).

The spelling of 13440460351 in words is "thirteen billion, four hundred forty million, four hundred sixty thousand, three hundred fifty-one".

Divisors: 1 113 118942127 13440460351