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32020013331 = 3218119656239
BaseRepresentation
bin11101110100100010…
…101010000100010011
310001122112022012201200
4131310202222010103
51011034110411311
622413152002243
72212325423355
oct356442520423
9101575265650
1032020013331
111264150aa39
126257530383
133033a28967
14179a8330d5
15c76141556
hex7748aa113

32020013331 has 12 divisors (see below), whose sum is σ = 46506663840. Its totient is φ = 21228737040.

The previous prime is 32020013329. The next prime is 32020013371. The reversal of 32020013331 is 13331002023.

32020013331 is a `hidden beast` number, since 320 + 2 + 0 + 0 + 13 + 331 = 666.

It is not a de Polignac number, because 32020013331 - 21 = 32020013329 is a prime.

It is a super-2 number, since 2×320200133312 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32020013371) 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, 9826491 + ... + 9829748.

It is an arithmetic number, because the mean of its divisors is an integer number (3875555320).

Almost surely, 232020013331 is an apocalyptic number.

32020013331 is a deficient number, since it is larger than the sum of its proper divisors (14486650509).

32020013331 is a wasteful number, since it uses less digits than its factorization.

32020013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19656426 (or 19656423 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 32020013331 its reverse (13331002023), we get a palindrome (45351015354).

The spelling of 32020013331 in words is "thirty-two billion, twenty million, thirteen thousand, three hundred thirty-one".

Divisors: 1 3 9 181 543 1629 19656239 58968717 176906151 3557779259 10673337777 32020013331