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32020323012 = 2232889453417
BaseRepresentation
bin11101110100100011…
…110101101011000100
310001122112212221112100
4131310203311223010
51011034200314022
622413202352100
72212331153256
oct356443655304
9101575787470
1032020323012
1112641701677
12625765b630
133033b068c2
14179a8b3cd6
15c761a31ac
hex7748f5ac4

32020323012 has 18 divisors (see below), whose sum is σ = 80940261038. Its totient is φ = 10673440992.

The previous prime is 32020322959. The next prime is 32020323019. The reversal of 32020323012 is 21032302023.

It is a happy number.

32020323012 is a `hidden beast` number, since 320 + 20 + 323 + 0 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20227666176 + 11792656836 = 142224^2 + 108594^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (32020323019) 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 5 ways as a sum of consecutive naturals, for example, 444726673 + ... + 444726744.

Almost surely, 232020323012 is an apocalyptic number.

It is an amenable number.

32020323012 is an abundant number, since it is smaller than the sum of its proper divisors (48919938026).

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

32020323012 is a wasteful number, since it uses less digits than its factorization.

32020323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889453427 (or 889453422 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 32020323012 its reverse (21032302023), we get a palindrome (53052625035).

The spelling of 32020323012 in words is "thirty-two billion, twenty million, three hundred twenty-three thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 889453417 1778906834 2668360251 3557813668 5336720502 8005080753 10673441004 16010161506 32020323012