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12000127354 = 217352166569
BaseRepresentation
bin10110010110100001…
…10110100101111010
31010222022100122001021
423023100312211322
5144034013033404
65302432213054
7603242254015
oct131320664572
933868318037
1012000127354
1150a8839326
1223aa99a18a
1311931aa797
1481ba5237c
154a3798454
hex2cb43697a

12000127354 has 16 divisors (see below), whose sum is σ = 18139259880. Its totient is φ = 5953841920.

The previous prime is 12000127333. The next prime is 12000127421. The reversal of 12000127354 is 45372100021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8679717225 + 3320410129 = 93165^2 + 57623^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146982 + ... + 213550.

Almost surely, 212000127354 is an apocalyptic number.

12000127354 is a deficient number, since it is larger than the sum of its proper divisors (6139132526).

12000127354 is a wasteful number, since it uses less digits than its factorization.

12000127354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67265.

The product of its (nonzero) digits is 1680, while the sum is 25.

Adding to 12000127354 its reverse (45372100021), we get a palindrome (57372227375).

The spelling of 12000127354 in words is "twelve billion, one hundred twenty-seven thousand, three hundred fifty-four".

Divisors: 1 2 173 346 521 1042 66569 90133 133138 180266 11516437 23032874 34682449 69364898 6000063677 12000127354