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21032203301 = 314315778097
BaseRepresentation
bin10011100101100111…
…011111010000100101
32000021202210121222122
4103211213133100211
5321033221001201
613355001035325
71343124530654
oct234547372045
960252717878
1021032203301
118a131486aa
1240ab785b45
131ca24ab915
14103741719b
158316ade1b
hex4e59df425

21032203301 has 8 divisors (see below), whose sum is σ = 22215561984. Its totient is φ = 19880400960.

The previous prime is 21032203267. The next prime is 21032203303. The reversal of 21032203301 is 10330223012.

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 21032203301 - 218 = 21031941157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21032203301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21032203303) 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, 7887716 + ... + 7890381.

It is an arithmetic number, because the mean of its divisors is an integer number (2776945248).

Almost surely, 221032203301 is an apocalyptic number.

It is an amenable number.

21032203301 is a deficient number, since it is larger than the sum of its proper divisors (1183358683).

21032203301 is a wasteful number, since it uses less digits than its factorization.

21032203301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15778171.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21032203301 its reverse (10330223012), we get a palindrome (31362426313).

The spelling of 21032203301 in words is "twenty-one billion, thirty-two million, two hundred three thousand, three hundred one".

Divisors: 1 31 43 1333 15778097 489121007 678458171 21032203301