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13123102233 = 318379238009
BaseRepresentation
bin11000011100011001…
…01010011000011001
31020212120102122222110
430032030222120121
5203334003232413
610010105342533
7643126346163
oct141614523031
936776378873
1013123102233
115624715a3a
122662a97a49
131311a43967
148c6c51933
1551c16b8c3
hex30e32a619

13123102233 has 8 divisors (see below), whose sum is σ = 17498495200. Its totient is φ = 8748222048.

The previous prime is 13123102219. The next prime is 13123102241. The reversal of 13123102233 is 33220132131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13123102233 - 24 = 13123102217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13123102253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63868 + ... + 174141.

It is an arithmetic number, because the mean of its divisors is an integer number (2187311900).

Almost surely, 213123102233 is an apocalyptic number.

It is an amenable number.

13123102233 is a deficient number, since it is larger than the sum of its proper divisors (4375392967).

13123102233 is a wasteful number, since it uses less digits than its factorization.

13123102233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256391.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13123102233 its reverse (33220132131), we get a palindrome (46343234364).

The spelling of 13123102233 in words is "thirteen billion, one hundred twenty-three million, one hundred two thousand, two hundred thirty-three".

Divisors: 1 3 18379 55137 238009 714027 4374367411 13123102233