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13402440043 = 107349358901
BaseRepresentation
bin11000111101101100…
…10000000101101011
31021121001001111102021
430132312100011223
5204422011040133
610053524445311
7653060601136
oct143666200553
937531044367
1013402440043
115758367633
122720549837
131357888ac5
14911da721d
1553694852d
hex31ed9016b

13402440043 has 8 divisors (see below), whose sum is σ = 13566495600. Its totient is φ = 13239103200.

The previous prime is 13402440041. The next prime is 13402440049. The reversal of 13402440043 is 34004420431.

13402440043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13402440043 - 21 = 13402440041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13402440041) 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, 142108 + ... + 216793.

It is an arithmetic number, because the mean of its divisors is an integer number (1695811950).

Almost surely, 213402440043 is an apocalyptic number.

13402440043 is a deficient number, since it is larger than the sum of its proper divisors (164055557).

13402440043 is a wasteful number, since it uses less digits than its factorization.

13402440043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359357.

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

Adding to 13402440043 its reverse (34004420431), we get a palindrome (47406860474).

The spelling of 13402440043 in words is "thirteen billion, four hundred two million, four hundred forty thousand, forty-three".

Divisors: 1 107 349 37343 358901 38402407 125256449 13402440043