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10020021202221 = 319175789845653
BaseRepresentation
bin1001000111001111011111…
…0011011110110100101101
31022110220102111122201001120
42101303313303132310231
52303132000411432341
633151044552531153
72052631315635252
oct221636763366455
938426374581046
1010020021202221
113213515824638
121159b449b0ab9
13578b65047844
14268d86173429
1512599c99b066
hex91cf7cded2d

10020021202221 has 8 divisors (see below), whose sum is σ = 14063187652320. Its totient is φ = 6328434443472.

The previous prime is 10020021202201. The next prime is 10020021202223. The reversal of 10020021202221 is 12220212002001.

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

It is not a de Polignac number, because 10020021202221 - 215 = 10020021169453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10020021202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020021202223) 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, 87894922770 + ... + 87894922883.

It is an arithmetic number, because the mean of its divisors is an integer number (1757898456540).

Almost surely, 210020021202221 is an apocalyptic number.

It is an amenable number.

10020021202221 is a deficient number, since it is larger than the sum of its proper divisors (4043166450099).

10020021202221 is a wasteful number, since it uses less digits than its factorization.

10020021202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175789845675.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10020021202221 its reverse (12220212002001), we get a palindrome (22240233204222).

The spelling of 10020021202221 in words is "ten trillion, twenty billion, twenty-one million, two hundred two thousand, two hundred twenty-one".

Divisors: 1 3 19 57 175789845653 527369536959 3340007067407 10020021202221