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13023030301 = 122811060421
BaseRepresentation
bin11000010000011101…
…11010110000011101
31020121121010111002121
430020032322300131
5203132343432201
65552132422541
7640502634241
oct141016726035
936547114077
1013023030301
115583185466
122635477a51
1312c70a64b8
148b7842421
155134a09a1
hex3083bac1d

13023030301 has 4 divisors (see below), whose sum is σ = 13024103004. Its totient is φ = 13021957600.

The previous prime is 13023030299. The next prime is 13023030311. The reversal of 13023030301 is 10303032031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10303032031 = 13997364569.

It can be written as a sum of positive squares in 2 ways, for example, as 9476827801 + 3546202500 = 97349^2 + 59550^2 .

It is a cyclic number.

It is not a de Polignac number, because 13023030301 - 21 = 13023030299 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 (13023030311) 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, 517930 + ... + 542491.

It is an arithmetic number, because the mean of its divisors is an integer number (3256025751).

Almost surely, 213023030301 is an apocalyptic number.

It is an amenable number.

13023030301 is a deficient number, since it is larger than the sum of its proper divisors (1072703).

13023030301 is a wasteful number, since it uses less digits than its factorization.

13023030301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072702.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 13023030301 its reverse (10303032031), we get a palindrome (23326062332).

The spelling of 13023030301 in words is "thirteen billion, twenty-three million, thirty thousand, three hundred one".

Divisors: 1 12281 1060421 13023030301