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12197343488 = 28114331443
BaseRepresentation
bin10110101110000010…
…01011000100000000
31011111001110020201112
423113001023010000
5144440004442423
65334155222452
7611155465121
oct132701130400
934431406645
1012197343488
11519a09a770
122444a47a28
1311c4ccb915
14839d0c048
154b5c52a78
hex2d704b100

12197343488 has 36 divisors (see below), whose sum is σ = 26560414608. Its totient is φ = 5544245760.

The previous prime is 12197343451. The next prime is 12197343517. The reversal of 12197343488 is 88434379121.

It is a super-2 number, since 2×121973434882 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162906 + ... + 2168537.

Almost surely, 212197343488 is an apocalyptic number.

It is an amenable number.

12197343488 is an abundant number, since it is smaller than the sum of its proper divisors (14363071120).

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

12197343488 is an equidigital number, since it uses as much as digits as its factorization.

12197343488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331470 (or 4331456 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The spelling of 12197343488 in words is "twelve billion, one hundred ninety-seven million, three hundred forty-three thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 256 352 704 1408 2816 4331443 8662886 17325772 34651544 47645873 69303088 95291746 138606176 190583492 277212352 381166984 554424704 762333968 1108849408 1524667936 3049335872 6098671744 12197343488