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12000123445 = 538315314093
BaseRepresentation
bin10110010110100001…
…10101101000110101
31010222022100102200111
423023100311220311
5144034012422240
65302432143021
7603242236432
oct131320655065
933868312614
1012000123445
1150a88363a2
1223aa997a71
1311931a8a7b
1481ba50b89
154a37971ea
hex2cb435a35

12000123445 has 16 divisors (see below), whose sum is σ = 14450706432. Its totient is φ = 9566441280.

The previous prime is 12000123437. The next prime is 12000123451. The reversal of 12000123445 is 54432100021.

12000123445 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 12000123445 - 23 = 12000123437 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2929819 + ... + 2933911.

It is an arithmetic number, because the mean of its divisors is an integer number (903169152).

Almost surely, 212000123445 is an apocalyptic number.

It is an amenable number.

12000123445 is a deficient number, since it is larger than the sum of its proper divisors (2450582987).

12000123445 is a wasteful number, since it uses less digits than its factorization.

12000123445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6012.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 12000123445 its reverse (54432100021), we get a palindrome (66432223466).

The spelling of 12000123445 in words is "twelve billion, one hundred twenty-three thousand, four hundred forty-five".

Divisors: 1 5 383 1531 1915 4093 7655 20465 586373 1567619 2931865 6266383 7838095 31331915 2400024689 12000123445