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13123344502 = 220893141059
BaseRepresentation
bin11000011100011011…
…00101100001110110
31020212120212222022101
430032031211201312
5203334034011002
610010114452314
7643131405412
oct141615454166
936776788271
1013123344502
115624870a64
122662b9409a
131311aca008
148c6cb5d42
1551c1b8587
hex30e365876

13123344502 has 8 divisors (see below), whose sum is σ = 19694446200. Its totient is φ = 6558529104.

The previous prime is 13123344473. The next prime is 13123344527. The reversal of 13123344502 is 20544332131.

It is a happy number.

13123344502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1566352 + ... + 1574707.

It is an arithmetic number, because the mean of its divisors is an integer number (2461805775).

Almost surely, 213123344502 is an apocalyptic number.

13123344502 is a deficient number, since it is larger than the sum of its proper divisors (6571101698).

13123344502 is a wasteful number, since it uses less digits than its factorization.

13123344502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143150.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 13123344502 its reverse (20544332131), we get a palindrome (33667676633).

The spelling of 13123344502 in words is "thirteen billion, one hundred twenty-three million, three hundred forty-four thousand, five hundred two".

Divisors: 1 2 2089 4178 3141059 6282118 6561672251 13123344502