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20300331121213 = 11131072411550283
BaseRepresentation
bin1001001110110100010100…
…00001100111101000111101
32122212200200222110020022111
410213122022001213220331
510130100034231334323
6111101502100214021
74163436062312233
oct447321201475075
978780628406274
1020300331121213
11651735a764630
12233a40b99a311
13b4340b8b8850
14502781354953
152530d164ec0d
hex12768a067a3d

20300331121213 has 32 divisors (see below), whose sum is σ = 24082259185152. Its totient is φ = 16869004766400.

The previous prime is 20300331121181. The next prime is 20300331121219. The reversal of 20300331121213 is 31212113300302.

It is a cyclic number.

It is not a de Polignac number, because 20300331121213 - 25 = 20300331121181 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 (20300331121219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36615570 + ... + 37165852.

It is an arithmetic number, because the mean of its divisors is an integer number (752570599536).

Almost surely, 220300331121213 is an apocalyptic number.

It is an amenable number.

20300331121213 is a deficient number, since it is larger than the sum of its proper divisors (3781928063939).

20300331121213 is a wasteful number, since it uses less digits than its factorization.

20300331121213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552825.

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

Adding to 20300331121213 its reverse (31212113300302), we get a palindrome (51512444421515).

The spelling of 20300331121213 in words is "twenty trillion, three hundred billion, three hundred thirty-one million, one hundred twenty-one thousand, two hundred thirteen".

Divisors: 1 11 13 107 143 1177 1391 2411 15301 26521 31343 257977 344773 550283 2837747 3353701 6053113 7153679 36890711 58880281 78690469 647683091 765443653 1326732313 8419880183 14594055443 17247520069 141960357491 189722720759 1561563932401 1845484647383 20300331121213