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575128468542 = 234431013921341
BaseRepresentation
bin10000101111010000101…
…00111111110000111110
32000222111200200100101110
420113220110333300332
533410330341443132
61120113235022450
756360135215335
oct10275024776076
92028450610343
10575128468542
11201a02032921
129356943aa26
1342307c246a4
141db9cdbcd1c
15ee615c51cc
hex85e853fc3e

575128468542 has 32 divisors (see below), whose sum is σ = 1153021184640. Its totient is φ = 191248909280.

The previous prime is 575128468513. The next prime is 575128468549. The reversal of 575128468542 is 245864821575.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (575128468549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26938792 + ... + 26960132.

It is an arithmetic number, because the mean of its divisors is an integer number (36031912020).

Almost surely, 2575128468542 is an apocalyptic number.

575128468542 is an abundant number, since it is smaller than the sum of its proper divisors (577892716098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

575128468542 is a wasteful number, since it uses less digits than its factorization.

575128468542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31928.

The product of its digits is 21504000, while the sum is 57.

The spelling of 575128468542 in words is "five hundred seventy-five billion, one hundred twenty-eight million, four hundred sixty-eight thousand, five hundred forty-two".

Divisors: 1 2 3 6 443 886 1329 2658 10139 20278 21341 30417 42682 60834 64023 128046 4491577 8983154 9454063 13474731 18908126 26949462 28362189 56724378 216376399 432752798 649129197 1298258394 95854744757 191709489514 287564234271 575128468542