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12023422320 = 24357133714879
BaseRepresentation
bin10110011001010011…
…01101110101110000
31011000221012010201210
423030221231311300
5144110444003240
65305023400120
7603644255250
oct131451556560
934027163653
1012023422320
11510a9aa168
1223b6753040
131197c758a0
14820b97960
154a584a780
hex2cca6dd70

12023422320 has 320 divisors, whose sum is σ = 47116984320. Its totient is φ = 2468081664.

The previous prime is 12023422297. The next prime is 12023422349. The reversal of 12023422320 is 2322432021.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 800641 + ... + 815519.

It is an arithmetic number, because the mean of its divisors is an integer number (147240576).

Almost surely, 212023422320 is an apocalyptic number.

12023422320 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 12023422320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23558492160).

12023422320 is an abundant number, since it is smaller than the sum of its proper divisors (35093562000).

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

12023422320 is a wasteful number, since it uses less digits than its factorization.

12023422320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14952 (or 14946 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12023422320 its reverse (2322432021), we get a palindrome (14345854341).

The spelling of 12023422320 in words is "twelve billion, twenty-three million, four hundred twenty-two thousand, three hundred twenty".