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12110450331 = 371117516283
BaseRepresentation
bin10110100011101011…
…01100111010011011
31011020222221121201110
423101311230322123
5144300233402311
65321412551403
7606052062240
oct132165547233
934228847643
1012110450331
115155040641
12241b922563
1311accc6b55
1482c56d5c7
154ad2db8a6
hex2d1d6ce9b

12110450331 has 16 divisors (see below), whose sum is σ = 18470576384. Its totient is φ = 6914048544.

The previous prime is 12110450329. The next prime is 12110450357. The reversal of 12110450331 is 13305401121.

It is not a de Polignac number, because 12110450331 - 21 = 12110450329 is a prime.

It is a super-2 number, since 2×121104503312 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12110450298 and 12110450307.

It is not an unprimeable number, because it can be changed into a prime (12110450311) 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, 234685 + ... + 281598.

It is an arithmetic number, because the mean of its divisors is an integer number (1154411024).

Almost surely, 212110450331 is an apocalyptic number.

12110450331 is a deficient number, since it is larger than the sum of its proper divisors (6360126053).

12110450331 is a wasteful number, since it uses less digits than its factorization.

12110450331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517410.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 12110450331 its reverse (13305401121), we get a palindrome (25415851452).

The spelling of 12110450331 in words is "twelve billion, one hundred ten million, four hundred fifty thousand, three hundred thirty-one".

Divisors: 1 3 7 21 1117 3351 7819 23457 516283 1548849 3613981 10841943 576688111 1730064333 4036816777 12110450331