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130344242321 = 1241991049479
BaseRepresentation
bin111100101100100011…
…1110100110010010001
3110110102220200120022102
41321121013310302101
54113421111223241
6135513533250145
712263023531166
oct1713107646221
9413386616272
10130344242321
1150307a21517
1221318033955
13c3a32c3107
1464470b806d
1535cd1b139b
hex1e591f4c91

130344242321 has 4 divisors (see below), whose sum is σ = 130345416000. Its totient is φ = 130343068644.

The previous prime is 130344242291. The next prime is 130344242381. The reversal of 130344242321 is 123242443031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123242443031 = 1071151798533.

It is a cyclic number.

It is not a de Polignac number, because 130344242321 - 26 = 130344242257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130344242381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400541 + ... + 648938.

It is an arithmetic number, because the mean of its divisors is an integer number (32586354000).

Almost surely, 2130344242321 is an apocalyptic number.

It is an amenable number.

130344242321 is a deficient number, since it is larger than the sum of its proper divisors (1173679).

130344242321 is a wasteful number, since it uses less digits than its factorization.

130344242321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173678.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 130344242321 its reverse (123242443031), we get a palindrome (253586685352).

The spelling of 130344242321 in words is "one hundred thirty billion, three hundred forty-four million, two hundred forty-two thousand, three hundred twenty-one".

Divisors: 1 124199 1049479 130344242321