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13023323030 = 252998943427
BaseRepresentation
bin11000010000100000…
…00010001110010110
31020121121200100122102
430020100002032112
5203132432314110
65552143002102
7640505263544
oct141020021626
936547610572
1013023323030
115583365393
122635599332
1312c7179803
148b78bad94
1551350c5a5
hex308402396

13023323030 has 16 divisors (see below), whose sum is σ = 23443302960. Its totient is φ = 5209035552.

The previous prime is 13023323029. The next prime is 13023323099. The reversal of 13023323030 is 3032332031.

It is a junction number, because it is equal to n+sod(n) for n = 13023322993 and 13023323011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278177 + ... + 321603.

It is an arithmetic number, because the mean of its divisors is an integer number (1465206435).

Almost surely, 213023323030 is an apocalyptic number.

13023323030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13023323030 is a deficient number, since it is larger than the sum of its proper divisors (10419979930).

13023323030 is a wasteful number, since it uses less digits than its factorization.

13023323030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73423.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 13023323030 its reverse (3032332031), we get a palindrome (16055655061).

Subtracting from 13023323030 its reverse (3032332031), we obtain a palindrome (9990990999).

The spelling of 13023323030 in words is "thirteen billion, twenty-three million, three hundred twenty-three thousand, thirty".

Divisors: 1 2 5 10 29989 43427 59978 86854 149945 217135 299890 434270 1302332303 2604664606 6511661515 13023323030