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1303212031232 = 2831811600337
BaseRepresentation
bin10010111101101101011…
…111010111110100000000
311121120211002100112201212
4102331231133113310000
5132322434234444412
62434404244345252
7163103544331046
oct22755537276400
94546732315655
101303212031232
11462764242861
121906a30a5228
1395b7a6b9237
144710bdc6396
1523d75ded222
hex12f6d7d7d00

1303212031232 has 36 divisors (see below), whose sum is σ = 2602152788676. Its totient is φ = 651400765440.

The previous prime is 1303212031183. The next prime is 1303212031237. The reversal of 1303212031232 is 2321302123031.

It can be written as a sum of positive squares in 2 ways, for example, as 675973374976 + 627238656256 = 822176^2 + 791984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1303212031198 and 1303212031207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303212031237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14168 + ... + 1614504.

Almost surely, 21303212031232 is an apocalyptic number.

It is an amenable number.

1303212031232 is a deficient number, since it is larger than the sum of its proper divisors (1298940757444).

1303212031232 is an equidigital number, since it uses as much as digits as its factorization.

1303212031232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603534 (or 1603520 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1303212031232 its reverse (2321302123031), we get a palindrome (3624514154263).

The spelling of 1303212031232 in words is "one trillion, three hundred three billion, two hundred twelve million, thirty-one thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 64 128 256 3181 6362 12724 25448 50896 101792 203584 407168 814336 1600337 3200674 6401348 12802696 25605392 51210784 102421568 204843136 409686272 5090671997 10181343994 20362687988 40725375976 81450751952 162901503904 325803007808 651606015616 1303212031232