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20160452330 = 2537523104183
BaseRepresentation
bin10010110001101010…
…000001011011101010
31221001000110002110122
4102301222001123222
5312242033433310
613132300243242
71312411005644
oct226152013352
957030402418
1020160452330
118606060257
123aa7840522
131b939c6245
14d93731894
157cedb2555
hex4b1a816ea

20160452330 has 32 divisors (see below), whose sum is σ = 37341212544. Its totient is φ = 7831152576.

The previous prime is 20160452297. The next prime is 20160452369. The reversal of 20160452330 is 3325406102.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20160452330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141419 + ... + 245601.

It is an arithmetic number, because the mean of its divisors is an integer number (1166912892).

Almost surely, 220160452330 is an apocalyptic number.

20160452330 is a deficient number, since it is larger than the sum of its proper divisors (17180760214).

20160452330 is a wasteful number, since it uses less digits than its factorization.

20160452330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104750.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 20160452330 its reverse (3325406102), we get a palindrome (23485858432).

The spelling of 20160452330 in words is "twenty billion, one hundred sixty million, four hundred fifty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 523 1046 2615 5230 19351 38702 96755 104183 193510 208366 520915 1041830 3854771 7709542 19273855 38547710 54487709 108975418 272438545 544877090 2016045233 4032090466 10080226165 20160452330