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3202030021 = 31761135731
BaseRepresentation
bin1011111011011011…
…0001100111000101
322021011011222102111
42332312301213011
523024204430041
61245422341021
7142230543331
oct27666614705
98234158374
103202030021
1113a350a603
1275442a771
133c04cc828
142253967c1
1513b19e981
hexbedb19c5

3202030021 has 8 divisors (see below), whose sum is σ = 3309689088. Its totient is φ = 3094644000.

The previous prime is 3202030003. The next prime is 3202030049. The reversal of 3202030021 is 1200302023.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3202030021 - 25 = 3202029989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3202029983 and 3202030010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3202030421) 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 7 ways as a sum of consecutive naturals, for example, 44275 + ... + 91456.

It is an arithmetic number, because the mean of its divisors is an integer number (413711136).

Almost surely, 23202030021 is an apocalyptic number.

3202030021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3202030021 is a deficient number, since it is larger than the sum of its proper divisors (107659067).

3202030021 is a wasteful number, since it uses less digits than its factorization.

3202030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136523.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3202030021 is about 56586.4826703339. The cubic root of 3202030021 is about 1473.9241444738.

Adding to 3202030021 its reverse (1200302023), we get a palindrome (4402332044).

The spelling of 3202030021 in words is "three billion, two hundred two million, thirty thousand, twenty-one".

Divisors: 1 31 761 23591 135731 4207661 103291291 3202030021