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13223461140631 = 7311912953108041
BaseRepresentation
bin1100000001101101001110…
…1101000011100010010111
31201211011001202001122101101
43000123103231003202113
53213123122023000011
644042435120210531
72533235460064330
oct300332355034227
951734052048341
1013223461140631
114239047096115
121596966469a47
1374bc75764211
1433a039d53287
1517de8c65a2c1
hexc06d3b43897

13223461140631 has 32 divisors (see below), whose sum is σ = 15687159054336. Its totient is φ = 10907545536000.

The previous prime is 13223461140629. The next prime is 13223461140653. The reversal of 13223461140631 is 13604116432231.

It is a cyclic number.

It is not a de Polignac number, because 13223461140631 - 21 = 13223461140629 is a prime.

It is a super-2 number, since 2×132234611406312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223461140671) 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, 122338971 + ... + 122447011.

It is an arithmetic number, because the mean of its divisors is an integer number (490223720448).

Almost surely, 213223461140631 is an apocalyptic number.

13223461140631 is a deficient number, since it is larger than the sum of its proper divisors (2463697913705).

13223461140631 is a wasteful number, since it uses less digits than its factorization.

13223461140631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111223.

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 13223461140631 its reverse (13604116432231), we get a palindrome (26827577572862).

The spelling of 13223461140631 in words is "thirteen trillion, two hundred twenty-three billion, four hundred sixty-one million, one hundred forty thousand, six hundred thirty-one".

Divisors: 1 7 31 191 217 1337 2953 5921 20671 41447 91543 108041 564023 640801 756287 3349271 3948161 17484713 20635831 23444897 122392991 144450817 319045073 639710761 2233315511 4477975327 9890397263 60937608943 69232780841 426563262601 1889065877233 13223461140631