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12340012289 = 1119431136991
BaseRepresentation
bin10110111111000010…
…11010010100000001
31011211222220120112012
423133201122110001
5200233020343124
65400253142305
7614540242133
oct133741322401
934758816465
1012340012289
115262684970
12248478a995
131218731927
14850c49053
154c3534e0e
hex2df85a501

12340012289 has 16 divisors (see below), whose sum is σ = 14203330560. Its totient is φ = 10603026000.

The previous prime is 12340012283. The next prime is 12340012357. The reversal of 12340012289 is 98221004321.

It is not a de Polignac number, because 12340012289 - 28 = 12340012033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12340012283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21584 + ... + 158574.

It is an arithmetic number, because the mean of its divisors is an integer number (887708160).

Almost surely, 212340012289 is an apocalyptic number.

12340012289 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12340012289 is a deficient number, since it is larger than the sum of its proper divisors (1863318271).

12340012289 is a wasteful number, since it uses less digits than its factorization.

12340012289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137452.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 12340012289 in words is "twelve billion, three hundred forty million, twelve thousand, two hundred eighty-nine".

Divisors: 1 11 19 209 431 4741 8189 90079 136991 1506901 2602829 28631119 59043121 649474331 1121819299 12340012289