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75212325341 = 193958543439
BaseRepresentation
bin100011000001100000…
…0010000000111011101
321012010200021000001022
41012003000100013131
52213013323402331
654315125053525
75301555134306
oct1060300200735
9235120230038
1075212325341
112999644026a
12126b05572a5
13712828762a
1438d6d877ad
151e5300867b
hex11830101dd

75212325341 has 4 divisors (see below), whose sum is σ = 79170868800. Its totient is φ = 71253781884.

The previous prime is 75212325337. The next prime is 75212325347. The reversal of 75212325341 is 14352321257.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75212325341 - 22 = 75212325337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75212325347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1979271701 + ... + 1979271738.

It is an arithmetic number, because the mean of its divisors is an integer number (19792717200).

Almost surely, 275212325341 is an apocalyptic number.

It is an amenable number.

75212325341 is a deficient number, since it is larger than the sum of its proper divisors (3958543459).

75212325341 is a wasteful number, since it uses less digits than its factorization.

75212325341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958543458.

The product of its digits is 50400, while the sum is 35.

Adding to 75212325341 its reverse (14352321257), we get a palindrome (89564646598).

The spelling of 75212325341 in words is "seventy-five billion, two hundred twelve million, three hundred twenty-five thousand, three hundred forty-one".

Divisors: 1 19 3958543439 75212325341