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13103211203 = 131100024513
BaseRepresentation
bin11000011010000001…
…10010001011000011
31020211012000002121122
430031000302023003
5203313410224303
610004115142455
7642465312635
oct141500621303
936735002548
1013103211203
11561446a575
1226582a4a2b
13130a89b014
148c4354a55
1551a53ce38
hex30d0322c3

13103211203 has 4 divisors (see below), whose sum is σ = 13203235848. Its totient is φ = 13003186560.

The previous prime is 13103211179. The next prime is 13103211269. The reversal of 13103211203 is 30211230131.

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-13103211203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13103211403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50012126 + ... + 50012387.

It is an arithmetic number, because the mean of its divisors is an integer number (3300808962).

Almost surely, 213103211203 is an apocalyptic number.

13103211203 is a deficient number, since it is larger than the sum of its proper divisors (100024645).

13103211203 is a wasteful number, since it uses less digits than its factorization.

13103211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100024644.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13103211203 its reverse (30211230131), we get a palindrome (43314441334).

The spelling of 13103211203 in words is "thirteen billion, one hundred three million, two hundred eleven thousand, two hundred three".

Divisors: 1 131 100024513 13103211203