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12009183120 = 2434511331509
BaseRepresentation
bin10110010111100110…
…11001011110010000
31010222221101201020000
423023303121132100
5144043322324440
65303354250000
7603412241454
oct131363313620
933887351200
1012009183120
115102964030
1223b1a26900
13119502b61c
1481cd2c664
154a4486730
hex2cbcd9790

12009183120 has 400 divisors, whose sum is σ = 45728591040. Its totient is φ = 2896819200.

The previous prime is 12009183083. The next prime is 12009183169. The reversal of 12009183120 is 2138190021.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 23593426 + ... + 23593934.

Almost surely, 212009183120 is an apocalyptic number.

12009183120 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 12009183120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22864295520).

12009183120 is an abundant number, since it is smaller than the sum of its proper divisors (33719407920).

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

12009183120 is a wasteful number, since it uses less digits than its factorization.

12009183120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 12009183120 in words is "twelve billion, nine million, one hundred eighty-three thousand, one hundred twenty".