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13444033109 = 131771856799
BaseRepresentation
bin11001000010101001…
…11010101001010101
31021200221022122101012
430201110322221111
5210013133024414
610102012142005
7654104252543
oct144124725125
937627278335
1013444033109
115779896071
122732467905
13136338c7a0
14917712d93
1553a41233e
hex32153aa55

13444033109 has 16 divisors (see below), whose sum is σ = 15545779200. Its totient is φ = 11515365120.

The previous prime is 13444033087. The next prime is 13444033111. The reversal of 13444033109 is 90133044431.

It is a cyclic number.

It is not a de Polignac number, because 13444033109 - 28 = 13444032853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444033409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412709 + ... + 444090.

It is an arithmetic number, because the mean of its divisors is an integer number (971611200).

Almost surely, 213444033109 is an apocalyptic number.

It is an amenable number.

13444033109 is a deficient number, since it is larger than the sum of its proper divisors (2101746091).

13444033109 is a wasteful number, since it uses less digits than its factorization.

13444033109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856900.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 13444033109 in words is "thirteen billion, four hundred forty-four million, thirty-three thousand, one hundred nine".

Divisors: 1 13 17 71 221 923 1207 15691 856799 11138387 14565583 60832729 189352579 790825477 1034156393 13444033109