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75283286884 = 221326121732
BaseRepresentation
bin100011000011100111…
…0111100101101100100
321012022121210012222121
41012013032330231210
52213140010140014
654330142035324
75303406244261
oct1060716745544
9235277705877
1075283286884
1129a224a8773
1212710278b44
137139ba1a00
14390257a268
151e59374124
hex11873bcb64

75283286884 has 81 divisors (see below), whose sum is σ = 145879830369. Its totient is φ = 33978971520.

The previous prime is 75283286851. The next prime is 75283286887. The reversal of 75283286884 is 48868238257.

The square root of 75283286884 is 274378.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 69895726884 + 5387560000 = 264378^2 + 73400^2 .

It is a Harshad number since it is a multiple of its sum of digits (61).

It is not an unprimeable number, because it can be changed into a prime (75283286887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 435163422 + ... + 435163594.

Almost surely, 275283286884 is an apocalyptic number.

75283286884 is the 274378-th square number.

It is an amenable number.

75283286884 is a deficient number, since it is larger than the sum of its proper divisors (70596543485).

75283286884 is a wasteful number, since it uses less digits than its factorization.

75283286884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 249 counting only the distinct ones).

The product of its digits is 41287680, while the sum is 61.

The spelling of 75283286884 in words is "seventy-five billion, two hundred eighty-three million, two hundred eighty-six thousand, eight hundred eighty-four".

Divisors: 1 2 4 13 26 52 61 122 169 173 244 338 346 676 692 793 1586 2249 3172 3721 4498 7442 8996 10309 10553 14884 20618 21106 29237 29929 41236 42212 48373 58474 59858 96746 116948 119716 137189 193492 274378 389077 548756 628849 643733 778154 1257698 1287466 1556308 1783457 1825669 2515396 2574932 3566914 3651338 5058001 7133828 7302676 8368529 10116002 16737058 20232004 23733697 33474116 47467394 94934788 108790877 111365809 217581754 222731618 308538061 435163508 445463236 617076122 1234152244 1447755517 2895511034 5791022068 18820821721 37641643442 75283286884