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75016256648 = 2323407697047
BaseRepresentation
bin100010111011101010…
…0010011110010001000
321011122000022200100212
41011313110103302020
52212113130203043
654243442420252
75263654442414
oct1056724236210
9234560280325
1075016256648
11298a57a2a23
1212656961688
1370c6778858
1438b8d09d44
151e40bc9018
hex1177513c88

75016256648 has 16 divisors (see below), whose sum is σ = 146770937280. Its totient is φ = 35877340048.

The previous prime is 75016256641. The next prime is 75016256723. The reversal of 75016256648 is 84665261057.

It is a super-2 number, since 2×750162566482 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75016256596 and 75016256605.

It is not an unprimeable number, because it can be changed into a prime (75016256641) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 203848340 + ... + 203848707.

It is an arithmetic number, because the mean of its divisors is an integer number (9173183580).

Almost surely, 275016256648 is an apocalyptic number.

It is an amenable number.

75016256648 is a deficient number, since it is larger than the sum of its proper divisors (71754680632).

75016256648 is a wasteful number, since it uses less digits than its factorization.

75016256648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407697076 (or 407697072 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 75016256648 in words is "seventy-five billion, sixteen million, two hundred fifty-six thousand, six hundred forty-eight".

Divisors: 1 2 4 8 23 46 92 184 407697047 815394094 1630788188 3261576376 9377032081 18754064162 37508128324 75016256648