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75280830308 = 2218820207577
BaseRepresentation
bin100011000011100010…
…1100100111101100100
321012022110011102012022
41012013011210331210
52213133343032213
654330013242312
75303346333245
oct1060705447544
9235273142168
1075280830308
1129a21080042
121270b493398
137139521808
1439020daccc
151e5903b308
hex1187164f64

75280830308 has 6 divisors (see below), whose sum is σ = 131741453046. Its totient is φ = 37640415152.

The previous prime is 75280830301. The next prime is 75280830319. The reversal of 75280830308 is 80303808257.

It can be written as a sum of positive squares in only one way, i.e., 72895680064 + 2385150244 = 269992^2 + 48838^2 .

It is not an unprimeable number, because it can be changed into a prime (75280830301) 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 as a sum of consecutive naturals, namely, 9410103785 + ... + 9410103792.

It is an arithmetic number, because the mean of its divisors is an integer number (21956908841).

Almost surely, 275280830308 is an apocalyptic number.

It is an amenable number.

75280830308 is a deficient number, since it is larger than the sum of its proper divisors (56460622738).

75280830308 is a wasteful number, since it uses less digits than its factorization.

75280830308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18820207581 (or 18820207579 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 75280830308 in words is "seventy-five billion, two hundred eighty million, eight hundred thirty thousand, three hundred eight".

Divisors: 1 2 4 18820207577 37640415154 75280830308