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21023231300313 = 31131371818773499
BaseRepresentation
bin1001100011110110110100…
…01110111101001011011001
32202102210122010200021002220
410301323122032331023121
510223421034203102223
6112413534504014253
74266610161410304
oct461733216751331
982383563607086
1021023231300313
1167759a1aa3780
122436539761389
13b96636534808
1452975bba1b3b
15266ce0d9a6e3
hex131eda3bd2d9

21023231300313 has 128 divisors (see below), whose sum is σ = 32644405248000. Its totient is φ = 11913796224000.

The previous prime is 21023231300297. The next prime is 21023231300327. The reversal of 21023231300313 is 31300313232012.

It is not a de Polignac number, because 21023231300313 - 24 = 21023231300297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21023231300333) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6008352438 + ... + 6008355936.

It is an arithmetic number, because the mean of its divisors is an integer number (255034416000).

Almost surely, 221023231300313 is an apocalyptic number.

It is an amenable number.

21023231300313 is a deficient number, since it is larger than the sum of its proper divisors (11621173947687).

21023231300313 is a wasteful number, since it uses less digits than its factorization.

21023231300313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4639.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21023231300313 its reverse (31300313232012), we get a palindrome (52323544532325).

The spelling of 21023231300313 in words is "twenty-one trillion, twenty-three billion, two hundred thirty-one million, three hundred thousand, three hundred thirteen".

Divisors: 1 3 11 31 33 37 93 111 181 341 407 543 877 1023 1147 1221 1991 2631 3441 3499 5611 5973 6697 9647 10497 12617 16833 20091 27187 28941 32449 37851 38489 61721 73667 81561 97347 108469 115467 129463 158737 185163 207607 221001 299057 325407 356939 388389 476211 622821 633319 897171 1005919 1070817 1193159 1424093 1746107 1899957 2283677 3017757 3068623 3579477 4013353 4272279 4920847 5238321 5873269 6851031 6966509 9205869 11065109 12040059 14762541 17619807 19632889 20899527 23432803 33195327 33754853 44146883 54129317 58898667 64605959 70298409 95127313 101264559 113539051 132440649 162387951 182071339 193817877 215961779 257760833 285381939 340617153 546214017 555420763 647885337 726416893 773282499 1046400443 1248929561 1666262289 2002784729 2179250679 3139201329 3519710581 3746788683 6008354187 6109628393 7990585823 10559131743 17218043653 18328885179 20550568231 23971757469 38716816391 51654130959 61651704693 116150449173 189398480183 226056250541 568195440549 637067615161 678168751623 1911202845483 7007743766771 21023231300313