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130253043520 = 265407040761
BaseRepresentation
bin111100101001110101…
…1111011011101000000
3110110012120002012002001
41321103223323131000
54113224234343040
6135500514433344
712260535413365
oct1712353733500
9413176065061
10130253043520
11502704a1506
12212b1592854
13c38a441622
146438d3846c
1535c519959a
hex1e53afb740

130253043520 has 28 divisors (see below), whose sum is σ = 310165060644. Its totient is φ = 52101217280.

The previous prime is 130253043467. The next prime is 130253043523. The reversal of 130253043520 is 25340352031.

It can be written as a sum of positive squares in 2 ways, for example, as 45185154624 + 85067888896 = 212568^2 + 291664^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130253043523) 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, 203520061 + ... + 203520700.

Almost surely, 2130253043520 is an apocalyptic number.

130253043520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130253043520 is an abundant number, since it is smaller than the sum of its proper divisors (179912017124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130253043520 is an equidigital number, since it uses as much as digits as its factorization.

130253043520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407040778 (or 407040768 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 130253043520 its reverse (25340352031), we get a palindrome (155593395551).

The spelling of 130253043520 in words is "one hundred thirty billion, two hundred fifty-three million, forty-three thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 407040761 814081522 1628163044 2035203805 3256326088 4070407610 6512652176 8140815220 13025304352 16281630440 26050608704 32563260880 65126521760 130253043520