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32032232021 = 50047640043
BaseRepresentation
bin11101110101010001…
…010001001001010101
310001200101021222121202
4131311101101021111
51011100222411041
622414305522245
72212534323356
oct356521211125
9101611258552
1032032232021
11126483a6029
12625b643385
13303641635a
14179c2d3d2d
15c77256a9b
hex775451255

32032232021 has 4 divisors (see below), whose sum is σ = 32032922112. Its totient is φ = 32031541932.

The previous prime is 32032232009. The next prime is 32032232059. The reversal of 32032232021 is 12023223023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12023223023 = 71717603289.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32032232021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32032231984 and 32032232002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32032237021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269975 + ... + 370068.

It is an arithmetic number, because the mean of its divisors is an integer number (8008230528).

Almost surely, 232032232021 is an apocalyptic number.

It is an amenable number.

32032232021 is a deficient number, since it is larger than the sum of its proper divisors (690091).

32032232021 is an equidigital number, since it uses as much as digits as its factorization.

32032232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690090.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 32032232021 its reverse (12023223023), we get a palindrome (44055455044).

The spelling of 32032232021 in words is "thirty-two billion, thirty-two million, two hundred thirty-two thousand, twenty-one".

Divisors: 1 50047 640043 32032232021