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1310443221412 = 221325200831181
BaseRepresentation
bin10011000100011100100…
…000001011000110100100
311122021111001010001211101
4103010130200023012210
5132432241431041122
62442002002045444
7163451001411133
oct23043440130644
94567431101741
101310443221412
11465835042a96
12191b80949884
139676087a0b0
14475d652391a
152414ab83027
hex1311c80b1a4

1310443221412 has 12 divisors (see below), whose sum is σ = 2469681455836. Its totient is φ = 604819948320.

The previous prime is 1310443221407. The next prime is 1310443221433. The reversal of 1310443221412 is 2141223440131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 516319850916 + 794123370496 = 718554^2 + 891136^2 .

It is a super-2 number, since 2×13104432214122 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12600415539 + ... + 12600415642.

Almost surely, 21310443221412 is an apocalyptic number.

It is an amenable number.

1310443221412 is a deficient number, since it is larger than the sum of its proper divisors (1159238234424).

1310443221412 is a wasteful number, since it uses less digits than its factorization.

1310443221412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25200831198 (or 25200831196 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1310443221412 its reverse (2141223440131), we get a palindrome (3451666661543).

The spelling of 1310443221412 in words is "one trillion, three hundred ten billion, four hundred forty-three million, two hundred twenty-one thousand, four hundred twelve".

Divisors: 1 2 4 13 26 52 25200831181 50401662362 100803324724 327610805353 655221610706 1310443221412