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15346122131 = 103148991477
BaseRepresentation
bin11100100101011001…
…10011110110010011
31110121111102202222202
432102230303312103
5222412101402011
611014440353415
71052201612564
oct162254636623
943544382882
1015346122131
11656553876a
122b8347586b
1315a7475152
14a581a216b
155ec3d423b
hex392b33d93

15346122131 has 4 divisors (see below), whose sum is σ = 15495113712. Its totient is φ = 15197130552.

The previous prime is 15346122119. The next prime is 15346122137. The reversal of 15346122131 is 13122164351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15346122131 - 218 = 15345859987 is a prime.

It is a super-2 number, since 2×153461221312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15346122094 and 15346122103.

It is not an unprimeable number, because it can be changed into a prime (15346122137) 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, 74495636 + ... + 74495841.

It is an arithmetic number, because the mean of its divisors is an integer number (3873778428).

Almost surely, 215346122131 is an apocalyptic number.

15346122131 is a deficient number, since it is larger than the sum of its proper divisors (148991581).

15346122131 is a wasteful number, since it uses less digits than its factorization.

15346122131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148991580.

The product of its digits is 4320, while the sum is 29.

Adding to 15346122131 its reverse (13122164351), we get a palindrome (28468286482).

The spelling of 15346122131 in words is "fifteen billion, three hundred forty-six million, one hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 103 148991477 15346122131