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130245553 = 612135173
BaseRepresentation
bin1111100001101…
…10001110110001
3100002002011022101
413300312032301
5231320324203
620531340401
73141032434
oct760661661
9302064271
10130245553
116757a459
1237751701
1320ca3499
141342581b
15b67b41d
hex7c363b1

130245553 has 4 divisors (see below), whose sum is σ = 132380788. Its totient is φ = 128110320.

The previous prime is 130245541. The next prime is 130245569. The reversal of 130245553 is 355542031.

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 68277169 + 61968384 = 8263^2 + 7872^2 .

It is a cyclic number.

It is not a de Polignac number, because 130245553 - 221 = 128148401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130245053) 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, 1067526 + ... + 1067647.

It is an arithmetic number, because the mean of its divisors is an integer number (33095197).

Almost surely, 2130245553 is an apocalyptic number.

It is an amenable number.

130245553 is a deficient number, since it is larger than the sum of its proper divisors (2135235).

130245553 is an equidigital number, since it uses as much as digits as its factorization.

130245553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135234.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 130245553 is about 11412.5173822431. The cubic root of 130245553 is about 506.8984555702.

Adding to 130245553 its reverse (355542031), we get a palindrome (485787584).

The spelling of 130245553 in words is "one hundred thirty million, two hundred forty-five thousand, five hundred fifty-three".

Divisors: 1 61 2135173 130245553