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13288884756 = 2237158201009
BaseRepresentation
bin11000110000001010…
…00100101000010100
31021022010101021211220
430120011010220110
5204203423303011
610034350530340
7650211441150
oct143005045024
937263337756
1013288884756
1156aa257894
1226aa5069b0
13133a1aa424
14900c88060
1552b9b7506
hex318144a14

13288884756 has 24 divisors (see below), whose sum is σ = 35437026240. Its totient is φ = 3796824192.

The previous prime is 13288884673. The next prime is 13288884757. The reversal of 13288884756 is 65748888231.

It is a self number, because there is not a number n which added to its sum of digits gives 13288884756.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13288884757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79100421 + ... + 79100588.

It is an arithmetic number, because the mean of its divisors is an integer number (1476542760).

Almost surely, 213288884756 is an apocalyptic number.

It is an amenable number.

13288884756 is an abundant number, since it is smaller than the sum of its proper divisors (22148141484).

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

13288884756 is a wasteful number, since it uses less digits than its factorization.

13288884756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158201023 (or 158201021 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 60.

The spelling of 13288884756 in words is "thirteen billion, two hundred eighty-eight million, eight hundred eighty-four thousand, seven hundred fifty-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 158201009 316402018 474603027 632804036 949206054 1107407063 1898412108 2214814126 3322221189 4429628252 6644442378 13288884756