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75225052257 = 3145917186441
BaseRepresentation
bin100011000001111000…
…0110011010001100001
321012011120012121002120
41012003300303101201
52213030103133012
654320301534453
75302101252105
oct1060360632141
9235146177076
1075225052257
11299a2643183
12126b4874429
13712aac2454
1438d893b905
151e541be58c
hex1183c33461

75225052257 has 8 divisors (see below), whose sum is σ = 100368821280. Its totient is φ = 50115659040.

The previous prime is 75225052247. The next prime is 75225052261.

75225052257 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75225052257 - 231 = 73077568609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75225052247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8588844 + ... + 8597597.

It is an arithmetic number, because the mean of its divisors is an integer number (12546102660).

Almost surely, 275225052257 is an apocalyptic number.

It is an amenable number.

75225052257 is a deficient number, since it is larger than the sum of its proper divisors (25143769023).

75225052257 is a wasteful number, since it uses less digits than its factorization.

75225052257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17187903.

The product of its (nonzero) digits is 490000, while the sum is 42.

The spelling of 75225052257 in words is "seventy-five billion, two hundred twenty-five million, fifty-two thousand, two hundred fifty-seven".

Divisors: 1 3 1459 4377 17186441 51559323 25075017419 75225052257