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130240302121 = 1197110879651
BaseRepresentation
bin111100101001011101…
…1010100110000101001
3110110011200002212011101
41321102323110300221
54113213004131441
6135455341401401
712260322205426
oct1712273246051
9413150085141
10130240302121
1150264289726
12212a9269261
13c387900037
14643737cd4d
1535c3ece231
hex1e52ed4c29

130240302121 has 4 divisors (see below), whose sum is σ = 130251193744. Its totient is φ = 130229410500.

The previous prime is 130240302103. The next prime is 130240302151. The reversal of 130240302121 is 121203042031.

It is a happy number.

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: 121203042031 = 199501607531.

It is a cyclic number.

It is not a de Polignac number, because 130240302121 - 213 = 130240293929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130240302151) 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, 5427855 + ... + 5451796.

It is an arithmetic number, because the mean of its divisors is an integer number (32562798436).

Almost surely, 2130240302121 is an apocalyptic number.

It is an amenable number.

130240302121 is a deficient number, since it is larger than the sum of its proper divisors (10891623).

130240302121 is a wasteful number, since it uses less digits than its factorization.

130240302121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10891622.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 130240302121 its reverse (121203042031), we get a palindrome (251443344152).

The spelling of 130240302121 in words is "one hundred thirty billion, two hundred forty million, three hundred two thousand, one hundred twenty-one".

Divisors: 1 11971 10879651 130240302121