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13531103999 = 72992764591
BaseRepresentation
bin11001001101000010…
…00100001011111111
31021221000011022011222
430212201010023333
5210202430311444
610114402303555
7656212325540
oct144641041377
937830138158
1013531103999
115813a56786
122757657bbb
13137842741a
149250da4c7
15542db0eee
hex3268442ff

13531103999 has 8 divisors (see below), whose sum is σ = 15464875008. Its totient is φ = 11597522040.

The previous prime is 13531103951. The next prime is 13531104001. The reversal of 13531103999 is 99930113531.

13531103999 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 cyclic number.

It is not a de Polignac number, because 13531103999 - 212 = 13531099903 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 (13531105999) by changing a digit.

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, 177194 + ... + 241784.

It is an arithmetic number, because the mean of its divisors is an integer number (1933109376).

Almost surely, 213531103999 is an apocalyptic number.

13531103999 is a deficient number, since it is larger than the sum of its proper divisors (1933771009).

13531103999 is an equidigital number, since it uses as much as digits as its factorization.

13531103999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94525.

The product of its (nonzero) digits is 98415, while the sum is 44.

The spelling of 13531103999 in words is "thirteen billion, five hundred thirty-one million, one hundred three thousand, nine hundred ninety-nine".

Divisors: 1 7 29927 64591 209489 452137 1933014857 13531103999