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13464816768 = 2732132233197
BaseRepresentation
bin11001000101001000…
…01100110010000000
31021202101102120012100
430202210030302000
5210033443114033
610104033430400
7654446024364
oct144244146200
937671376170
1013464816768
11578a5a1147
12273940b400
131367788800
1491a3a32a4
1553c16a513
hex32290cc80

13464816768 has 576 divisors, whose sum is σ = 45658529280. Its totient is φ = 3795517440.

The previous prime is 13464816767. The next prime is 13464816809. The reversal of 13464816768 is 86761846431.

13464816768 is a `hidden beast` number, since 1 + 3 + 46 + 481 + 67 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is not an unprimeable number, because it can be changed into a prime (13464816767) 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 71 ways as a sum of consecutive naturals, for example, 138812496 + ... + 138812592.

It is an arithmetic number, because the mean of its divisors is an integer number (79268280).

Almost surely, 213464816768 is an apocalyptic number.

13464816768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13464816768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22829264640).

13464816768 is an abundant number, since it is smaller than the sum of its proper divisors (32193712512).

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

13464816768 is a wasteful number, since it uses less digits than its factorization.

13464816768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 169 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 13464816768 in words is "thirteen billion, four hundred sixty-four million, eight hundred sixteen thousand, seven hundred sixty-eight".