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13283857836 = 2232973804083
BaseRepresentation
bin11000101111100011…
…11001010110101100
31021021202220220012200
430113301321112230
5204201131422321
610034051101500
7650120633334
oct142761712654
937252826180
1013283857836
1156a7434007
1226a88a1890
13133913a312
1490033a0c4
1552b322d26
hex317c795ac

13283857836 has 36 divisors (see below), whose sum is σ = 33924821112. Its totient is φ = 4382302464.

The previous prime is 13283857801. The next prime is 13283857837. The reversal of 13283857836 is 63875838231.

13283857836 is a `hidden beast` number, since 1 + 3 + 2 + 8 + 38 + 578 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (13283857837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1898550 + ... + 1905533.

It is an arithmetic number, because the mean of its divisors is an integer number (942356142).

Almost surely, 213283857836 is an apocalyptic number.

It is an amenable number.

13283857836 is an abundant number, since it is smaller than the sum of its proper divisors (20640963276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13283857836 is a wasteful number, since it uses less digits than its factorization.

13283857836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804190 (or 3804185 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 13283857836 in words is "thirteen billion, two hundred eighty-three million, eight hundred fifty-seven thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 36 97 194 291 388 582 873 1164 1746 3492 3804083 7608166 11412249 15216332 22824498 34236747 45648996 68473494 136946988 368996051 737992102 1106988153 1475984204 2213976306 3320964459 4427952612 6641928918 13283857836