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75532755500505 = 3251678505677789
BaseRepresentation
bin10001001011001001010111…
…000011110111110111011001
3100220102212020121012102220200
4101023021113003313313121
534400012040402004010
6424351134023212413
721624030044313552
oct2113112703676731
9326385217172820
1075532755500505
1122081297388456
12857a906ba7109
13331b92912a4a4
141491b3a7d9329
158aeba881dcc0
hex44b2570f7dd9

75532755500505 has 12 divisors (see below), whose sum is σ = 130923442867620. Its totient is φ = 40284136266912.

The previous prime is 75532755500479. The next prime is 75532755500509. The reversal of 75532755500505 is 50500555723557.

75532755500505 is a `hidden beast` number, since 7 + 5 + 5 + 32 + 7 + 5 + 550 + 0 + 50 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 35070332724441 + 40462422776064 = 5922021^2 + 6361008^2 .

It is not a de Polignac number, because 75532755500505 - 212 = 75532755496409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75532755500509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 839252838850 + ... + 839252838939.

It is an arithmetic number, because the mean of its divisors is an integer number (10910286905635).

Almost surely, 275532755500505 is an apocalyptic number.

It is an amenable number.

75532755500505 is a deficient number, since it is larger than the sum of its proper divisors (55390687367115).

75532755500505 is a wasteful number, since it uses less digits than its factorization.

75532755500505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678505677800 (or 1678505677797 counting only the distinct ones).

The product of its (nonzero) digits is 22968750, while the sum is 54.

The spelling of 75532755500505 in words is "seventy-five trillion, five hundred thirty-two billion, seven hundred fifty-five million, five hundred thousand, five hundred five".

Divisors: 1 3 5 9 15 45 1678505677789 5035517033367 8392528388945 15106551100101 25177585166835 75532755500505