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14443221431231 = 711635712185657
BaseRepresentation
bin1101001000101101001100…
…0101010011001110111111
31220010202110221020112010122
43102023103011103032333
53343114204141244411
650415042504325155
73020326330352135
oct322132305231677
956122427215118
1014443221431231
114669376a66a8a
1217532397737bb
13809cb3b78068
1437d0ac9a5755
151a0a7c0119db
hexd22d31533bf

14443221431231 has 16 divisors (see below), whose sum is σ = 14762318807808. Its totient is φ = 14127643252800.

The previous prime is 14443221431213. The next prime is 14443221431257. The reversal of 14443221431231 is 13213412234441.

It is a cyclic number.

It is not a de Polignac number, because 14443221431231 - 230 = 14442147689407 is a prime.

It is a super-2 number, since 2×144432214312312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14443221431191 and 14443221431200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14443221431131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5515355 + ... + 7701011.

It is an arithmetic number, because the mean of its divisors is an integer number (922644925488).

Almost surely, 214443221431231 is an apocalyptic number.

14443221431231 is a deficient number, since it is larger than the sum of its proper divisors (319097376577).

14443221431231 is a wasteful number, since it uses less digits than its factorization.

14443221431231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186462.

The product of its digits is 55296, while the sum is 35.

Adding to 14443221431231 its reverse (13213412234441), we get a palindrome (27656633665672).

The spelling of 14443221431231 in words is "fourteen trillion, four hundred forty-three billion, two hundred twenty-one million, four hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 71 163 571 11573 40541 93073 2185657 6608183 155181647 356262091 1248010147 25294608461 88608720437 203425653961 14443221431231