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130000044242 = 2173823530713
BaseRepresentation
bin111100100010010011…
…0110100000011010010
3110102112221000111022102
41321010212310003102
54112220002403432
6135415440040402
712251344100225
oct1710446640322
9412487014272
10130000044242
11501506aa3a2
1221240903102
13c349bbba03
1464134bb5bc
1535acd71962
hex1e449b40d2

130000044242 has 8 divisors (see below), whose sum is σ = 206470658556. Its totient is φ = 61176491392.

The previous prime is 130000044221. The next prime is 130000044247. The reversal of 130000044242 is 242440000031.

It can be written as a sum of positive squares in 2 ways, for example, as 105014235481 + 24985808761 = 324059^2 + 158069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (130000044247) 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, 1911765323 + ... + 1911765390.

Almost surely, 2130000044242 is an apocalyptic number.

130000044242 is a deficient number, since it is larger than the sum of its proper divisors (76470614314).

130000044242 is a wasteful number, since it uses less digits than its factorization.

130000044242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823530732.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 130000044242 its reverse (242440000031), we get a palindrome (372440044273).

The spelling of 130000044242 in words is "one hundred thirty billion, forty-four thousand, two hundred forty-two".

Divisors: 1 2 17 34 3823530713 7647061426 65000022121 130000044242