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13444123043 = 131034163311
BaseRepresentation
bin11001000010101010…
…10000100110100011
31021200221111012202002
430201111100212203
5210013143414133
610102014114215
7654105106001
oct144125204643
937627435662
1013444123043
11577994769a
1227324ab96b
1313633c16c0
14917737a71
1553a42dce8
hex3215509a3

13444123043 has 4 divisors (see below), whose sum is σ = 14478286368. Its totient is φ = 12409959720.

The previous prime is 13444123027. The next prime is 13444123057. The reversal of 13444123043 is 34032144431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34032144431 = 72746811753.

It is a cyclic number.

It is not a de Polignac number, because 13444123043 - 24 = 13444123027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13444122997 and 13444123015.

It is not an unprimeable number, because it can be changed into a prime (13444123843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517081643 + ... + 517081668.

It is an arithmetic number, because the mean of its divisors is an integer number (3619571592).

Almost surely, 213444123043 is an apocalyptic number.

13444123043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13444123043 is a deficient number, since it is larger than the sum of its proper divisors (1034163325).

13444123043 is a wasteful number, since it uses less digits than its factorization.

13444123043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034163324.

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

Adding to 13444123043 its reverse (34032144431), we get a palindrome (47476267474).

The spelling of 13444123043 in words is "thirteen billion, four hundred forty-four million, one hundred twenty-three thousand, forty-three".

Divisors: 1 13 1034163311 13444123043