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130404122141 = 207196293939
BaseRepresentation
bin111100101110010110…
…0001111111000011101
3110110121002100202222112
41321130230033320131
54114031423402031
6135523512523405
712264351515006
oct1713454177035
9413532322875
10130404122141
1150338800077
12213340b0565
13c3b282a467
1464510241ad
1535d358d62b
hex1e5cb0fe1d

130404122141 has 4 divisors (see below), whose sum is σ = 130410436800. Its totient is φ = 130397807484.

The previous prime is 130404122099. The next prime is 130404122209. The reversal of 130404122141 is 141221404031.

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: 141221404031 = 466493027319.

It is a cyclic number.

It is not a de Polignac number, because 130404122141 - 26 = 130404122077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130404122441) 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, 3126251 + ... + 3167688.

It is an arithmetic number, because the mean of its divisors is an integer number (32602609200).

Almost surely, 2130404122141 is an apocalyptic number.

It is an amenable number.

130404122141 is a deficient number, since it is larger than the sum of its proper divisors (6314659).

130404122141 is an equidigital number, since it uses as much as digits as its factorization.

130404122141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6314658.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 130404122141 its reverse (141221404031), we get a palindrome (271625526172).

The spelling of 130404122141 in words is "one hundred thirty billion, four hundred four million, one hundred twenty-two thousand, one hundred forty-one".

Divisors: 1 20719 6293939 130404122141