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13222212021223 = 17857907557967
BaseRepresentation
bin1100000001101000100101…
…0000000010101111100111
31201211000211200121210200121
43000122021100002233213
53213113042234134343
644042111135222411
72533162511536642
oct300321120025747
951730750553617
1013222212021223
114238565a90227
121596678077a07
1374bb06a323ca
14339d5c0b8a59
1517de17b6aaed
hexc0689402be7

13222212021223 has 8 divisors (see below), whose sum is σ = 14016325257792. Its totient is φ = 12429913902336.

The previous prime is 13222212021203. The next prime is 13222212021247. The reversal of 13222212021223 is 32212021222231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13222212021223 - 233 = 13213622086631 is a prime.

It is a super-2 number, since 2×132222120212232 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222212021203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453764415 + ... + 453793552.

It is an arithmetic number, because the mean of its divisors is an integer number (1752040657224).

Almost surely, 213222212021223 is an apocalyptic number.

13222212021223 is a deficient number, since it is larger than the sum of its proper divisors (794113236569).

13222212021223 is an equidigital number, since it uses as much as digits as its factorization.

13222212021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907558841.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13222212021223 its reverse (32212021222231), we get a palindrome (45434233243454).

The spelling of 13222212021223 in words is "thirteen trillion, two hundred twenty-two billion, two hundred twelve million, twenty-one thousand, two hundred twenty-three".

Divisors: 1 17 857 14569 907557967 15428485439 777777177719 13222212021223