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12003210180 = 22345134631231
BaseRepresentation
bin10110010110111001…
…00111001111000100
31010222112011020220000
423023130213033010
5144040310211210
65303022241300
7603310413603
oct131334471704
933875136800
1012003210180
1150aa554515
1223aba26230
131193a19a40
1481c215a3a
154a3ba6ac0
hex2cb7273c4

12003210180 has 240 divisors, whose sum is σ = 40671611904. Its totient is φ = 2945859840.

The previous prime is 12003210133. The next prime is 12003210181. The reversal of 12003210180 is 8101230021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12003210181) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9750165 + ... + 9751395.

Almost surely, 212003210180 is an apocalyptic number.

12003210180 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 12003210180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20335805952).

12003210180 is an abundant number, since it is smaller than the sum of its proper divisors (28668401724).

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

12003210180 is a wasteful number, since it uses less digits than its factorization.

12003210180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728 (or 1717 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The spelling of 12003210180 in words is "twelve billion, three million, two hundred ten thousand, one hundred eighty".