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75474883445 = 5132558945377
BaseRepresentation
bin100011001001010100…
…1110101001101110101
321012210222022100001112
41012102221311031311
52214033032232240
654401144404405
75311223631653
oct1062251651565
9235728270045
1075474883445
112a010671035
1212764476705
13716a7a6060
14391dbb1dd3
151e6b0bd665
hex1192a75375

75474883445 has 16 divisors (see below), whose sum is σ = 97542733680. Its totient is φ = 55731892224.

The previous prime is 75474883397. The next prime is 75474883457. The reversal of 75474883445 is 54438847457.

It can be written as a sum of positive squares in 8 ways, for example, as 508369 + 75474375076 = 713^2 + 274726^2 .

It is a cyclic number.

It is not a de Polignac number, because 75474883445 - 220 = 75473834869 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1640597 + ... + 1685973.

It is an arithmetic number, because the mean of its divisors is an integer number (6096420855).

Almost surely, 275474883445 is an apocalyptic number.

It is an amenable number.

75474883445 is a deficient number, since it is larger than the sum of its proper divisors (22067850235).

75474883445 is a wasteful number, since it uses less digits than its factorization.

75474883445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70984.

The product of its digits is 60211200, while the sum is 59.

The spelling of 75474883445 in words is "seventy-five billion, four hundred seventy-four million, eight hundred eighty-three thousand, four hundred forty-five".

Divisors: 1 5 13 65 25589 45377 127945 226885 332657 589901 1663285 2949505 1161152053 5805760265 15094976689 75474883445