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130024442242 = 265012221121
BaseRepresentation
bin111100100011000001…
…1111000100110000010
3110102121121221001002001
41321012003320212002
54112242224122432
6135422111014214
712252061344352
oct1710603704602
9412547831061
10130024442242
1150163453a32
1221248b0a36a
13c351c81bb6
14641682cb62
1535b00909e7
hex1e460f8982

130024442242 has 4 divisors (see below), whose sum is σ = 195036663366. Its totient is φ = 65012221120.

The previous prime is 130024442209. The next prime is 130024442269. The reversal of 130024442242 is 242244420031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242244420031 = 1367177208793.

It can be written as a sum of positive squares in only one way, i.e., 127348345881 + 2676096361 = 356859^2 + 51731^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 130024442242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32506110559 + ... + 32506110562.

Almost surely, 2130024442242 is an apocalyptic number.

130024442242 is a deficient number, since it is larger than the sum of its proper divisors (65012221124).

130024442242 is an equidigital number, since it uses as much as digits as its factorization.

130024442242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65012221123.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 130024442242 its reverse (242244420031), we get a palindrome (372268862273).

The spelling of 130024442242 in words is "one hundred thirty billion, twenty-four million, four hundred forty-two thousand, two hundred forty-two".

Divisors: 1 2 65012221121 130024442242