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21200103012333 = 3724712724161231
BaseRepresentation
bin1001101001000000010001…
…00110111111011111101101
32210001201011122000011222210
410310200020212333133231
510234320302332343313
6113031105354401033
74315441213224300
oct464401046773755
983051148004883
1021200103012333
116833a05512893
12246487b730179
13baa21302838b
1453413a31cb37
1526b6e3b1d9c3
hex1348089bf7ed

21200103012333 has 48 divisors (see below), whose sum is σ = 33845826945024. Its totient is φ = 11763233082720.

The previous prime is 21200103012329. The next prime is 21200103012349. The reversal of 21200103012333 is 33321030100212.

It is not a de Polignac number, because 21200103012333 - 22 = 21200103012329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200103012133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11203173 + ... + 12958058.

It is an arithmetic number, because the mean of its divisors is an integer number (705121394688).

Almost surely, 221200103012333 is an apocalyptic number.

It is an amenable number.

21200103012333 is a deficient number, since it is larger than the sum of its proper divisors (12645723932691).

21200103012333 is a wasteful number, since it uses less digits than its factorization.

21200103012333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24161422 (or 24161415 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21200103012333 its reverse (33321030100212), we get a palindrome (54521133112545).

The spelling of 21200103012333 in words is "twenty-one trillion, two hundred billion, one hundred three million, twelve thousand, three hundred thirty-three".

Divisors: 1 3 7 21 47 49 127 141 147 329 381 889 987 2303 2667 5969 6223 6909 17907 18669 41783 125349 292481 877443 24161231 72483693 169128617 507385851 1135577857 1183900319 3068476337 3406733571 3551700957 7949044999 9205429011 21479334359 23847134997 55643314993 64438003077 144218387839 150355340513 166929944979 432655163517 451066021539 1009528714873 3028586144619 7066701004111 21200103012333