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13849361345 = 5191229118619
BaseRepresentation
bin11001110010111110…
…00111101111000001
31022202012000110012002
430321133013233001
5211330414030340
610210131513345
71000125425531
oct147137075701
938665013162
1013849361345
115967670186
122826158855
1313c9348391
149554a34c1
15560cc9715
hex3397c7bc1

13849361345 has 16 divisors (see below), whose sum is σ = 17508312000. Its totient is φ = 10487729088.

The previous prime is 13849361299. The next prime is 13849361347. The reversal of 13849361345 is 54316394831.

It is a cyclic number.

It is not a de Polignac number, because 13849361345 - 226 = 13782252481 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13849361345.

It is not an unprimeable number, because it can be changed into a prime (13849361347) 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, 57446 + ... + 176064.

It is an arithmetic number, because the mean of its divisors is an integer number (1094269500).

Almost surely, 213849361345 is an apocalyptic number.

It is an amenable number.

13849361345 is a deficient number, since it is larger than the sum of its proper divisors (3658950655).

13849361345 is a wasteful number, since it uses less digits than its factorization.

13849361345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119872.

The product of its digits is 933120, while the sum is 47.

The spelling of 13849361345 in words is "thirteen billion, eight hundred forty-nine million, three hundred sixty-one thousand, three hundred forty-five".

Divisors: 1 5 19 95 1229 6145 23351 116755 118619 593095 2253761 11268805 145782751 728913755 2769872269 13849361345