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11890368000 = 2933537983
BaseRepresentation
bin10110001001011100…
…01001111000000000
31010200122211021112000
423010232021320000
5143322413234000
65243511504000
7600440313630
oct130456117000
933618737460
1011890368000
115051891515
12237a088000
13117652ab14
1480b2406c0
15498d17000
hex2c4b89e00

11890368000 has 640 divisors, whose sum is σ = 50251069440. Its totient is φ = 2715033600.

The previous prime is 11890367977. The next prime is 11890368001. The reversal of 11890368000 is 86309811.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11890368001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12095509 + ... + 12096491.

It is an arithmetic number, because the mean of its divisors is an integer number (78517296).

Almost surely, 211890368000 is an apocalyptic number.

11890368000 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 11890368000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25125534720).

11890368000 is an abundant number, since it is smaller than the sum of its proper divisors (38360701440).

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

11890368000 is an frugal number, since it uses more digits than its factorization.

11890368000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 11890368000 in words is "eleven billion, eight hundred ninety million, three hundred sixty-eight thousand".