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12330032180 = 2251667369827
BaseRepresentation
bin10110111101110110…
…10101110000110100
31011211022010112101112
423132323111300310
5200222442012210
65355255214152
7614356354454
oct133673256064
934738115345
1012330032180
115257a88744
122481377358
13121664913b
1484d7abd64
154c2712d05
hex2deed5c34

12330032180 has 24 divisors (see below), whose sum is σ = 25908670368. Its totient is φ = 4929040928.

The previous prime is 12330032179. The next prime is 12330032189. The reversal of 12330032180 is 8123003321.

It is a super-3 number, since 3×123300321803 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12330032189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151574 + ... + 218253.

It is an arithmetic number, because the mean of its divisors is an integer number (1079527932).

Almost surely, 212330032180 is an apocalyptic number.

12330032180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12330032180 is an abundant number, since it is smaller than the sum of its proper divisors (13578638188).

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

12330032180 is a wasteful number, since it uses less digits than its factorization.

12330032180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371503 (or 371501 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 12330032180 in words is "twelve billion, three hundred thirty million, thirty-two thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 1667 3334 6668 8335 16670 33340 369827 739654 1479308 1849135 3698270 7396540 616501609 1233003218 2466006436 3082508045 6165016090 12330032180