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130442031245 = 526088406249
BaseRepresentation
bin111100101111011110…
…0110111000010001101
3110110200201200202111102
41321132330313002031
54114121124444440
6135531345232445
712265321654121
oct1713674670215
9413621622442
10130442031245
1150358142809
1221344932725
13c3ba641396
146456091581
1535d6a7ab15
hex1e5ef3708d

130442031245 has 4 divisors (see below), whose sum is σ = 156530437500. Its totient is φ = 104353624992.

The previous prime is 130442031241. The next prime is 130442031259. The reversal of 130442031245 is 542130244031.

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 13764451684 + 116677579561 = 117322^2 + 341581^2 .

It is a cyclic number.

It is not a de Polignac number, because 130442031245 - 22 = 130442031241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130442031241) 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, 13044203120 + ... + 13044203129.

It is an arithmetic number, because the mean of its divisors is an integer number (39132609375).

Almost surely, 2130442031245 is an apocalyptic number.

It is an amenable number.

130442031245 is a deficient number, since it is larger than the sum of its proper divisors (26088406255).

130442031245 is an equidigital number, since it uses as much as digits as its factorization.

130442031245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26088406254.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 130442031245 its reverse (542130244031), we get a palindrome (672572275276).

The spelling of 130442031245 in words is "one hundred thirty billion, four hundred forty-two million, thirty-one thousand, two hundred forty-five".

Divisors: 1 5 26088406249 130442031245