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75350255445 = 3251674450121
BaseRepresentation
bin100011000101100111…
…0011010011101010101
321012111021210120120200
41012023032122131111
52213304131133240
654340533251113
75305151414013
oct1061316323525
9235437716520
1075350255445
1129a57289193
121272a793a99
13714aa1b78a
14390b40d8b3
151e601a1930
hex118b39a755

75350255445 has 12 divisors (see below), whose sum is σ = 130607109516. Its totient is φ = 40186802880.

The previous prime is 75350255443. The next prime is 75350255479. The reversal of 75350255445 is 54455205357.

It is a happy number.

75350255445 is a `hidden beast` number, since 7 + 5 + 3 + 50 + 2 + 554 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60190243569 + 15160011876 = 245337^2 + 123126^2 .

It is not a de Polignac number, because 75350255445 - 21 = 75350255443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1674450121 = 75350255445 / (7 + 5 + 3 + 5 + 0 + 2 + 5 + 5 + 4 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 75350255445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75350255443) 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 11 ways as a sum of consecutive naturals, for example, 837225016 + ... + 837225105.

It is an arithmetic number, because the mean of its divisors is an integer number (10883925793).

Almost surely, 275350255445 is an apocalyptic number.

It is an amenable number.

75350255445 is a deficient number, since it is larger than the sum of its proper divisors (55256854071).

75350255445 is a wasteful number, since it uses less digits than its factorization.

75350255445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674450132 (or 1674450129 counting only the distinct ones).

The product of its (nonzero) digits is 2100000, while the sum is 45.

The spelling of 75350255445 in words is "seventy-five billion, three hundred fifty million, two hundred fifty-five thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 45 1674450121 5023350363 8372250605 15070051089 25116751815 75350255445