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12030000000 = 27357401
BaseRepresentation
bin10110011010000101…
…10011101110000000
31011001101120022121120
423031002303232000
5144114140000000
65305420352240
7604054212204
oct131502635600
934041508546
1012030000000
115113692067
1223b89a5680
1311994397c5
148219cab04
154a61e96a0
hex2cd0b3b80

12030000000 has 256 divisors, whose sum is σ = 40042866240. Its totient is φ = 3200000000.

The previous prime is 12029999983. The next prime is 12030000007. The reversal of 12030000000 is 3021.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030000007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29999800 + ... + 30000200.

Almost surely, 212030000000 is an apocalyptic number.

12030000000 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 12030000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20021433120).

12030000000 is an abundant number, since it is smaller than the sum of its proper divisors (28012866240).

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

12030000000 is an frugal number, since it uses more digits than its factorization.

12030000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 6.

Adding to 12030000000 its reverse (3021), we get a palindrome (12030003021).

It can be divided in two parts, 120 and 30000000, that multiplied together give a square (3600000000 = 600002).

The spelling of 12030000000 in words is "twelve billion, thirty million", and thus it is an aban number and an uban number.