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12331011000 = 2335371153381
BaseRepresentation
bin10110111101111110…
…00100101110111000
31011211100222021002010
423132333010232320
5200223214323000
65355332205520
7614400602250
oct133677045670
934740867063
1012331011000
115258597090
1224817698a0
1312168cc819
1484d984960
154c2857d50
hex2defc4bb8

12331011000 has 256 divisors, whose sum is σ = 47966929920. Its totient is φ = 2562240000.

The previous prime is 12331010929. The next prime is 12331011037. The reversal of 12331011000 is 11013321.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 204310 + ... + 257690.

It is an arithmetic number, because the mean of its divisors is an integer number (187370820).

Almost surely, 212331011000 is an apocalyptic number.

12331011000 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 12331011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23983464960).

12331011000 is an abundant number, since it is smaller than the sum of its proper divisors (35635918920).

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

12331011000 is a wasteful number, since it uses less digits than its factorization.

12331011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53423 (or 53409 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 12331011000 its reverse (11013321), we get a palindrome (12342024321).

The spelling of 12331011000 in words is "twelve billion, three hundred thirty-one million, eleven thousand".