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13203423606 = 233137030577
BaseRepresentation
bin11000100101111110…
…00100000101110110
31021002011120102012010
430102333010011312
5204020034023411
610022055105050
7645123151242
oct142277040566
937064512163
1013203423606
115665a9663a
122685972186
1313255873b9
148d379d422
155242357a6
hex312fc4176

13203423606 has 16 divisors (see below), whose sum is σ = 26491217904. Its totient is φ = 4387079424.

The previous prime is 13203423599. The next prime is 13203423617. The reversal of 13203423606 is 60632430231.

13203423606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 3513411 + ... + 3517166.

It is an arithmetic number, because the mean of its divisors is an integer number (1655701119).

Almost surely, 213203423606 is an apocalyptic number.

13203423606 is an abundant number, since it is smaller than the sum of its proper divisors (13287794298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13203423606 is a wasteful number, since it uses less digits than its factorization.

13203423606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7030895.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 13203423606 its reverse (60632430231), we get a palindrome (73835853837).

The spelling of 13203423606 in words is "thirteen billion, two hundred three million, four hundred twenty-three thousand, six hundred six".

Divisors: 1 2 3 6 313 626 939 1878 7030577 14061154 21091731 42183462 2200570601 4401141202 6601711803 13203423606