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13832864640 = 273357217312
BaseRepresentation
bin11001110001000000…
…01100001110000000
31022201000222022222000
430320200030032000
5211312203132030
610204342144000
7666535260300
oct147040141600
938630868860
1013832864640
115959322a41
122820722000
1313c5ac070a
1495320b600
1555e61b860
hex33880c380

13832864640 has 1152 divisors, whose sum is σ = 62351661600. Its totient is φ = 2879815680.

The previous prime is 13832864627. The next prime is 13832864641. The reversal of 13832864640 is 4646823831.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13832864641) 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 143 ways as a sum of consecutive naturals, for example, 446221425 + ... + 446221455.

Almost surely, 213832864640 is an apocalyptic number.

13832864640 is a gapful number since it is divisible by the number (10) 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 13832864640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31175830800).

13832864640 is an abundant number, since it is smaller than the sum of its proper divisors (48518796960).

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

13832864640 is a wasteful number, since it uses less digits than its factorization.

13832864640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 13832864640 in words is "thirteen billion, eight hundred thirty-two million, eight hundred sixty-four thousand, six hundred forty".