Search a number
-
+
20210211101000 = 235321195782991
BaseRepresentation
bin1001001100001100011100…
…11101000001100101001000
32122120002002100201212102002
410212012032131001211020
510122111003020213000
6110552235351330132
74154065604631434
oct446061635014510
978502070655362
1020210211101000
116492114318588
122324a5a980948
13b37a78c633bb
144dc2725339c4
15250aa99b68d5
hex12618e741948

20210211101000 has 64 divisors (see below), whose sum is σ = 47516026671360. Its totient is φ = 8045771160000.

The previous prime is 20210211100973. The next prime is 20210211101029. The reversal of 20210211101000 is 10111201202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47680496 + ... + 48102495.

It is an arithmetic number, because the mean of its divisors is an integer number (742437916740).

Almost surely, 220210211101000 is an apocalyptic number.

20210211101000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210211101000 is an abundant number, since it is smaller than the sum of its proper divisors (27305815570360).

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

20210211101000 is a wasteful number, since it uses less digits than its factorization.

20210211101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95783223 (or 95783209 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20210211101000 its reverse (10111201202), we get a palindrome (20220322302202).

The spelling of 20210211101000 in words is "twenty trillion, two hundred ten billion, two hundred eleven million, one hundred one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 211 250 422 500 844 1000 1055 1688 2110 4220 5275 8440 10550 21100 26375 42200 52750 105500 211000 95782991 191565982 383131964 478914955 766263928 957829910 1915659820 2394574775 3831319640 4789149550 9578299100 11972873875 19156598200 20210211101 23945747750 40420422202 47891495500 80840844404 95782991000 101051055505 161681688808 202102111010 404204222020 505255277525 808408444040 1010510555050 2021021110100 2526276387625 4042042220200 5052552775250 10105105550500 20210211101000