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13918613339 = 19737054543
BaseRepresentation
bin11001111011001110…
…10010111101011011
31022221000022211001202
430331213102331123
5212001131111324
610221044104415
71001626155431
oct147547227533
938830284052
1013918613339
1159a2770234
12284539510b
13140a7b45a7
1496076cd51
15566e088ae
hex33d9d2f5b

13918613339 has 4 divisors (see below), whose sum is σ = 13925669856. Its totient is φ = 13911556824.

The previous prime is 13918613281. The next prime is 13918613363. The reversal of 13918613339 is 93331681931.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13918613339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13918613293 and 13918613302.

It is not an unprimeable number, because it can be changed into a prime (13918613389) 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, 3525299 + ... + 3529244.

It is an arithmetic number, because the mean of its divisors is an integer number (3481417464).

Almost surely, 213918613339 is an apocalyptic number.

13918613339 is a deficient number, since it is larger than the sum of its proper divisors (7056517).

13918613339 is an equidigital number, since it uses as much as digits as its factorization.

13918613339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7056516.

The product of its digits is 314928, while the sum is 47.

The spelling of 13918613339 in words is "thirteen billion, nine hundred eighteen million, six hundred thirteen thousand, three hundred thirty-nine".

Divisors: 1 1973 7054543 13918613339