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20443230442310 = 2513793975014049
BaseRepresentation
bin1001010010111110011110…
…11111010001001101000110
32200101100112212201212220112
410221133033133101031012
510134420213443123220
6111251253532433022
74206655210433564
oct451371737211506
980340485655815
1020443230442310
116571a1a6a3605
122362050618772
13b53a33041550
14509659a5ca34
15256b96b795c5
hex1297cf7d1346

20443230442310 has 64 divisors (see below), whose sum is σ = 40231132704000. Its totient is φ = 7433947901952.

The previous prime is 20443230442307. The next prime is 20443230442333. The reversal of 20443230442310 is 1324403234402.

It is a super-2 number, since 2×204432304423102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1570166 + ... + 6584214.

It is an arithmetic number, because the mean of its divisors is an integer number (628611448500).

Almost surely, 220443230442310 is an apocalyptic number.

20443230442310 is a deficient number, since it is larger than the sum of its proper divisors (19787902261690).

20443230442310 is a wasteful number, since it uses less digits than its factorization.

20443230442310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014545.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 20443230442310 its reverse (1324403234402), we get a palindrome (21767633676712).

The spelling of 20443230442310 in words is "twenty trillion, four hundred forty-three billion, two hundred thirty million, four hundred forty-two thousand, three hundred ten".

Divisors: 1 2 5 10 13 26 65 79 130 158 395 397 790 794 1027 1985 2054 3970 5135 5161 10270 10322 25805 31363 51610 62726 156815 313630 407719 815438 2038595 4077190 5014049 10028098 25070245 50140490 65182637 130365274 325913185 396109871 651826370 792219742 1980549355 1990577453 3961098710 3981154906 5149428323 9952887265 10298856646 19905774530 25747141615 25877506889 51494283230 51755013778 129387534445 157255618787 258775068890 314511237574 786278093935 1572556187870 2044323044231 4088646088462 10221615221155 20443230442310