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12175031075 = 521014148023
BaseRepresentation
bin10110101011011000…
…00011101100100011
31011102111110122211212
423111230003230203
5144413301443300
65332041100335
7610465025264
oct132554035443
934374418755
1012175031075
115188540059
1224394876ab
1311c04b8acc
14836d8096b
154b3ce6935
hex2d5b03b23

12175031075 has 12 divisors (see below), whose sum is σ = 15098841648. Its totient is φ = 9738861600.

The previous prime is 12175031039. The next prime is 12175031107. The reversal of 12175031075 is 57013057121.

12175031075 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 12175031075 - 228 = 11906595619 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 229514 + ... + 277536.

It is an arithmetic number, because the mean of its divisors is an integer number (1258236804).

Almost surely, 212175031075 is an apocalyptic number.

12175031075 is a deficient number, since it is larger than the sum of its proper divisors (2923810573).

12175031075 is a wasteful number, since it uses less digits than its factorization.

12175031075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58174 (or 58169 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 32.

Adding to 12175031075 its reverse (57013057121), we get a palindrome (69188088196).

The spelling of 12175031075 in words is "twelve billion, one hundred seventy-five million, thirty-one thousand, seventy-five".

Divisors: 1 5 25 10141 48023 50705 240115 253525 1200575 487001243 2435006215 12175031075