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45128204356 = 221062172
BaseRepresentation
bin101010000001110110…
…011100000001000100
311022111001200022101011
4222001312130001010
51214410310014411
632422010012004
73155214256624
oct520166340104
9138431608334
1045128204356
1118158770964
1288b5417004
13434264b501
1422816c2884
151291d14c21
hexa81d9c044

45128204356 has 9 divisors (see below), whose sum is σ = 78975101149. Its totient is φ = 22563889744.

The previous prime is 45128204327. The next prime is 45128204357. The reversal of 45128204356 is 65340282154.

The square root of 45128204356 is 212434.

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

It can be written as a sum of positive squares in only one way, i.e., 5930540100 + 39197664256 = 77010^2 + 197984^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45128204357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 371760 + ... + 477976.

Almost surely, 245128204356 is an apocalyptic number.

45128204356 is the 212434-th square number.

It is an amenable number.

45128204356 is a deficient number, since it is larger than the sum of its proper divisors (33846896793).

45128204356 is an frugal number, since it uses more digits than its factorization.

45128204356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212438 (or 106219 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 45128204356 in words is "forty-five billion, one hundred twenty-eight million, two hundred four thousand, three hundred fifty-six".

Divisors: 1 2 4 106217 212434 424868 11282051089 22564102178 45128204356