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12195056075 = 522931195393
BaseRepresentation
bin10110101101110000…
…11100100111001011
31011110220011000222112
423112320130213023
5144433413243300
65334034212535
7611130160226
oct132670344713
934426130875
1012195056075
115198878144
12244412414b
1311c46aa717
148398b45bd
154b594ee35
hex2d6e1c9cb

12195056075 has 24 divisors (see below), whose sum is σ = 15651230400. Its totient is φ = 9414863360.

The previous prime is 12195056047. The next prime is 12195056077. The reversal of 12195056075 is 57065059121.

It is a de Polignac number, because none of the positive numbers 2k-12195056075 is a prime.

It is a super-3 number, since 3×121950560753 (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12195056077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2258579 + ... + 2263971.

It is an arithmetic number, because the mean of its divisors is an integer number (652134600).

Almost surely, 212195056075 is an apocalyptic number.

12195056075 is a deficient number, since it is larger than the sum of its proper divisors (3456174325).

12195056075 is a wasteful number, since it uses less digits than its factorization.

12195056075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8551 (or 8546 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 41.

The spelling of 12195056075 in words is "twelve billion, one hundred ninety-five million, fifty-six thousand, seventy-five".

Divisors: 1 5 25 29 145 725 3119 5393 15595 26965 77975 90451 134825 156397 452255 781985 2261275 3909925 16820767 84103835 420519175 487802243 2439011215 12195056075