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11664839712 = 2532331193883
BaseRepresentation
bin10101101110100011…
…10101010000100000
31010002221110020212110
422313101311100200
5142342144332322
65205253555320
7562031334021
oct126721652040
933087406773
1011664839712
114a465527a9
122316645b40
13113b8a6026
147c92d4c48
15484118c0c
hex2b7475420

11664839712 has 192 divisors, whose sum is σ = 33190649856. Its totient is φ = 3576545280.

The previous prime is 11664839699. The next prime is 11664839723. The reversal of 11664839712 is 21793846611.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13210023 + ... + 13210905.

It is an arithmetic number, because the mean of its divisors is an integer number (172867968).

Almost surely, 211664839712 is an apocalyptic number.

11664839712 is a gapful number since it is divisible by the number (12) 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 11664839712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16595324928).

11664839712 is an abundant number, since it is smaller than the sum of its proper divisors (21525810144).

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

11664839712 is a wasteful number, since it uses less digits than its factorization.

11664839712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143 (or 1135 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The spelling of 11664839712 in words is "eleven billion, six hundred sixty-four million, eight hundred thirty-nine thousand, seven hundred twelve".