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13011033103 = 119271090889
BaseRepresentation
bin11000001111000010…
…01001110000001111
31020120202112222000221
430013201021300033
5203121311024403
65551023332211
7640265646055
oct140741116017
936522488027
1013011033103
115577430822
122631451067
1312c4765873
148b5ddc1d5
155123d0dbd
hex307849c0f

13011033103 has 4 divisors (see below), whose sum is σ = 13012135920. Its totient is φ = 13009930288.

The previous prime is 13011033083. The next prime is 13011033131. The reversal of 13011033103 is 30133011031.

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-13011033103 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 (13011033143) 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, 533518 + ... + 557371.

It is an arithmetic number, because the mean of its divisors is an integer number (3253033980).

Almost surely, 213011033103 is an apocalyptic number.

13011033103 is a deficient number, since it is larger than the sum of its proper divisors (1102817).

13011033103 is a wasteful number, since it uses less digits than its factorization.

13011033103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102816.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 13011033103 its reverse (30133011031), we get a palindrome (43144044134).

The spelling of 13011033103 in words is "thirteen billion, eleven million, thirty-three thousand, one hundred three".

Divisors: 1 11927 1090889 13011033103