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12402442010331 = 3294712791137743
BaseRepresentation
bin1011010001111010101100…
…1001100111111011011011
31121220122212111201110012100
42310132223021213323123
53111200200123312311
642213334143014443
72420022034450122
oct264365311477333
947818774643170
1012402442010331
113a5193420275a
12148381489a423
136bc711c35449
1430c3d2218ab9
15167938ddca56
hexb47ab267edb

12402442010331 has 24 divisors (see below), whose sum is σ = 17947593031680. Its totient is φ = 8253098550576.

The previous prime is 12402442010279. The next prime is 12402442010351. The reversal of 12402442010331 is 13301024420421.

12402442010331 is a `hidden beast` number, since 12 + 402 + 44 + 201 + 0 + 3 + 3 + 1 = 666.

It is not a de Polignac number, because 12402442010331 - 226 = 12402374901467 is a prime.

It is a super-2 number, since 2×124024420103312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12402442010295 and 12402442010304.

It is not an unprimeable number, because it can be changed into a prime (12402442010351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10332046 + ... + 11469788.

It is an arithmetic number, because the mean of its divisors is an integer number (747816376320).

Almost surely, 212402442010331 is an apocalyptic number.

12402442010331 is a deficient number, since it is larger than the sum of its proper divisors (5545151021349).

12402442010331 is a wasteful number, since it uses less digits than its factorization.

12402442010331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139975 (or 1139972 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 12402442010331 its reverse (13301024420421), we get a palindrome (25703466430752).

The spelling of 12402442010331 in words is "twelve trillion, four hundred two billion, four hundred forty-two million, ten thousand, three hundred thirty-one".

Divisors: 1 3 9 947 1279 2841 3837 8523 11511 1137743 1211213 3413229 3633639 10239687 10900917 1077442621 1455173297 3232327863 4365519891 9696983589 13096559673 1378049112259 4134147336777 12402442010331