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13845054213 = 323593428149
BaseRepresentation
bin11001110010011101…
…01100001100000101
31022201212220121220200
430321032230030011
5211323313213323
610205455321113
71000044006354
oct147116541405
938655817820
1013845054213
115965199171
122824820199
1313c849aa93
14954aa199b
15560728443
hex3393ac305

13845054213 has 12 divisors (see below), whose sum is σ = 20004024300. Its totient is φ = 9227445696.

The previous prime is 13845054191. The next prime is 13845054241. The reversal of 13845054213 is 31245054831.

13845054213 is a `hidden beast` number, since 138 + 4 + 505 + 4 + 2 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6432360804 + 7412693409 = 80202^2 + 86097^2 .

It is not a de Polignac number, because 13845054213 - 29 = 13845053701 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13845054253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181738 + ... + 246411.

It is an arithmetic number, because the mean of its divisors is an integer number (1667002025).

Almost surely, 213845054213 is an apocalyptic number.

It is an amenable number.

13845054213 is a deficient number, since it is larger than the sum of its proper divisors (6158970087).

13845054213 is a wasteful number, since it uses less digits than its factorization.

13845054213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431748 (or 431745 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 13845054213 in words is "thirteen billion, eight hundred forty-five million, fifty-four thousand, two hundred thirteen".

Divisors: 1 3 9 3593 10779 32337 428149 1284447 3853341 1538339357 4615018071 13845054213