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21013233021301 = 471111940209557
BaseRepresentation
bin1001100011100100001100…
…10010100011000101110101
32202101211211100011001201211
410301302012102203011311
510223240100123140201
6112405202422121421
74266104334423643
oct461620622430565
982354740131654
1021013233021301
116771731254774
122434609280271
13b95701cca7a1
1452908dd6a193
1526690822c651
hex131c864a3175

21013233021301 has 8 divisors (see below), whose sum is σ = 21462253678080. Its totient is φ = 20564292805968.

The previous prime is 21013233021233. The next prime is 21013233021307. The reversal of 21013233021301 is 10312033231012.

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 21013233021301 - 27 = 21013233021173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21013233021307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19582186 + ... + 20627371.

It is an arithmetic number, because the mean of its divisors is an integer number (2682781709760).

Almost surely, 221013233021301 is an apocalyptic number.

It is an amenable number.

21013233021301 is a deficient number, since it is larger than the sum of its proper divisors (449020656779).

21013233021301 is a wasteful number, since it uses less digits than its factorization.

21013233021301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40220723.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21013233021301 its reverse (10312033231012), we get a palindrome (31325266252313).

The spelling of 21013233021301 in words is "twenty-one trillion, thirteen billion, two hundred thirty-three million, twenty-one thousand, three hundred one".

Divisors: 1 47 11119 522593 40209557 1889849179 447090064283 21013233021301