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12023997048 = 2334717211739
BaseRepresentation
bin10110011001010111…
…11010001001111000
31011000222021100010000
423030223322021320
5144111120401143
65305043553000
7603652200660
oct131453721170
934028240100
1012023997048
115110261a48
1223b698b760
13119811736b
14820ca71a0
154a5910bd3
hex2ccafa278

12023997048 has 320 divisors, whose sum is σ = 41002156800. Its totient is φ = 3213665280.

The previous prime is 12023997043. The next prime is 12023997049. The reversal of 12023997048 is 84079932021.

It is a junction number, because it is equal to n+sod(n) for n = 12023996994 and 12023997012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023997043) 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, 16270263 + ... + 16271001.

It is an arithmetic number, because the mean of its divisors is an integer number (128131740).

Almost surely, 212023997048 is an apocalyptic number.

12023997048 is a gapful number since it is divisible by the number (18) 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 12023997048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20501078400).

12023997048 is an abundant number, since it is smaller than the sum of its proper divisors (28978159752).

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

12023997048 is a wasteful number, since it uses less digits than its factorization.

12023997048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 12023997048 in words is "twelve billion, twenty-three million, nine hundred ninety-seven thousand, forty-eight".