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1325223031144 = 232291699342569
BaseRepresentation
bin10011010010001101011…
…100101011000101101000
311200200122001221012020211
4103102031130223011220
5133203024043444034
62452444332430504
7164513155622335
oct23221534530550
94620561835224
101325223031144
11471029941881
12194a06618434
1397c778bcc3c
14481d93cb98c
15247134a0d64
hex1348d72b168

1325223031144 has 32 divisors (see below), whose sum is σ = 2495849301000. Its totient is φ = 659663695872.

The previous prime is 1325223031141. The next prime is 1325223031213. The reversal of 1325223031144 is 4411303225231.

It can be written as a sum of positive squares in 4 ways, for example, as 1155345516900 + 169877514244 = 1074870^2 + 412162^2 .

It is not an unprimeable number, because it can be changed into a prime (1325223031141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31109892 + ... + 31152460.

Almost surely, 21325223031144 is an apocalyptic number.

It is an amenable number.

1325223031144 is a deficient number, since it is larger than the sum of its proper divisors (1170626269856).

1325223031144 is a wasteful number, since it uses less digits than its factorization.

1325223031144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59797 (or 59793 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 1325223031144 its reverse (4411303225231), we get a palindrome (5736526256375).

The spelling of 1325223031144 in words is "one trillion, three hundred twenty-five billion, two hundred twenty-three million, thirty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 229 458 916 1832 16993 33986 42569 67972 85138 135944 170276 340552 3891397 7782794 9748301 15565588 19496602 31131176 38993204 77986408 723375017 1446750034 2893500068 5787000136 165652878893 331305757786 662611515572 1325223031144