Search a number
-
+
20210210102200 = 2352479921056689
BaseRepresentation
bin1001001100001100011100…
…11001001101101110111000
32122120002002021212010022111
410212012032121031232320
510122111002241232300
6110552235314102104
74154065563301456
oct446061631155670
978502067763274
1020210210102200
1164921137a6128
122324a5a57a934
13b37a789a38b1
144dc2723539d6
15250aa986a9ba
hex12618e64dbb8

20210210102200 has 48 divisors (see below), whose sum is σ = 46998532080000. Its totient is φ = 8082399121920.

The previous prime is 20210210102197. The next prime is 20210210102261. The reversal of 20210210102200 is 220101201202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9568545 + ... + 11488144.

It is an arithmetic number, because the mean of its divisors is an integer number (979136085000).

Almost surely, 220210210102200 is an apocalyptic number.

20210210102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210210102200 is an abundant number, since it is smaller than the sum of its proper divisors (26788321977800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20210210102200 is a wasteful number, since it uses less digits than its factorization.

20210210102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21061504 (or 21061495 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20210210102200 its reverse (220101201202), we get a palindrome (20430311303402).

The spelling of 20210210102200 in words is "twenty trillion, two hundred ten billion, two hundred ten million, one hundred two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 4799 9598 19196 23995 38392 47990 95980 119975 191960 239950 479900 959800 21056689 42113378 84226756 105283445 168453512 210566890 421133780 526417225 842267560 1052834450 2105668900 4211337800 101051050511 202102101022 404204202044 505255252555 808408404088 1010510505110 2021021010220 2526276262775 4042042020440 5052552525550 10105105051100 20210210102200