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12320000143 = 112373272971
BaseRepresentation
bin10110111100101010…
…00100100010001111
31011210121020212000121
423132111010202033
5200212410001033
65354300205411
7614205162523
oct133625044217
934717225017
1012320000143
115252356500
122479b39867
131214545b19
1484c319d83
154c18d062d
hex2de54488f

12320000143 has 12 divisors (see below), whose sum is σ = 13578173224. Its totient is φ = 11169932400.

The previous prime is 12320000137. The next prime is 12320000153. The reversal of 12320000143 is 34100002321.

It is a happy number.

12320000143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12320000143 - 217 = 12319869071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320000153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91353 + ... + 181618.

Almost surely, 212320000143 is an apocalyptic number.

12320000143 is a deficient number, since it is larger than the sum of its proper divisors (1258173081).

12320000143 is a wasteful number, since it uses less digits than its factorization.

12320000143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273366 (or 273355 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12320000143 its reverse (34100002321), we get a palindrome (46420002464).

The spelling of 12320000143 in words is "twelve billion, three hundred twenty million, one hundred forty-three", and thus it is an aban number.

Divisors: 1 11 121 373 4103 45133 272971 3002681 33029491 101818183 1120000013 12320000143