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1320100241 = 8531547597
BaseRepresentation
bin100111010101111…
…0010000110010001
310102000000001002112
41032223302012101
510200421201431
6334554155105
744466444515
oct11653620621
93360001075
101320100241
11618186939
1230a122a95
13180654c05
14c7474145
157ad60c2b
hex4eaf2191

1320100241 has 4 divisors (see below), whose sum is σ = 1321648692. Its totient is φ = 1318551792.

The previous prime is 1320100163. The next prime is 1320100253. The reversal of 1320100241 is 1420010231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 595360000 + 724740241 = 24400^2 + 26921^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320100241 - 230 = 246358417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320100841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772946 + ... + 774651.

It is an arithmetic number, because the mean of its divisors is an integer number (330412173).

Almost surely, 21320100241 is an apocalyptic number.

It is an amenable number.

1320100241 is a deficient number, since it is larger than the sum of its proper divisors (1548451).

1320100241 is an equidigital number, since it uses as much as digits as its factorization.

1320100241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548450.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1320100241 is about 36333.1837443404. The cubic root of 1320100241 is about 1096.9890775864.

Adding to 1320100241 its reverse (1420010231), we get a palindrome (2740110472).

The spelling of 1320100241 in words is "one billion, three hundred twenty million, one hundred thousand, two hundred forty-one".

Divisors: 1 853 1547597 1320100241