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1320203130112 = 285157043477
BaseRepresentation
bin10011001101100010001…
…111010001010100000000
311200012200020002210121101
4103031202033101110000
5133112234000130422
62450254250504144
7164244602310346
oct23154217212400
94605606083541
101320203130112
11469993281939
12193a45435054
13976578b3cb9
1447c80829996
152451c917c27
hex133623d1500

1320203130112 has 18 divisors (see below), whose sum is σ = 2635249217258. Its totient is φ = 660101564928.

The previous prime is 1320203130023. The next prime is 1320203130119. The reversal of 1320203130112 is 2110313020231.

It can be written as a sum of positive squares in only one way, i.e., 825510347776 + 494692782336 = 908576^2 + 703344^2 .

It is a super-2 number, since 2×13202031301122 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1320203130112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320203130119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578521483 + ... + 2578521994.

Almost surely, 21320203130112 is an apocalyptic number.

It is an amenable number.

1320203130112 is a deficient number, since it is larger than the sum of its proper divisors (1315046087146).

1320203130112 is an frugal number, since it uses more digits than its factorization.

1320203130112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157043493 (or 5157043479 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1320203130112 its reverse (2110313020231), we get a palindrome (3430516150343).

The spelling of 1320203130112 in words is "one trillion, three hundred twenty billion, two hundred three million, one hundred thirty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 256 5157043477 10314086954 20628173908 41256347816 82512695632 165025391264 330050782528 660101565056 1320203130112