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13124341405 = 57374981183
BaseRepresentation
bin11000011100100010…
…11000111010011101
31020212122202121210201
430032101120322131
5203334312411110
610010152103501
7643143030010
oct141621307235
936778677721
1013124341405
115625391a4a
122663394b91
1313120889b6
148c7095377
1551c313b3a
hex30e458e9d

13124341405 has 8 divisors (see below), whose sum is σ = 17999096832. Its totient is φ = 8999548368.

The previous prime is 13124341393. The next prime is 13124341423. The reversal of 13124341405 is 50414342131.

13124341405 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 13124341405 - 213 = 13124333213 is a prime.

It is a Duffinian number.

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, 187490557 + ... + 187490626.

It is an arithmetic number, because the mean of its divisors is an integer number (2249887104).

Almost surely, 213124341405 is an apocalyptic number.

It is an amenable number.

13124341405 is a deficient number, since it is larger than the sum of its proper divisors (4874755427).

13124341405 is an equidigital number, since it uses as much as digits as its factorization.

13124341405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374981195.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 13124341405 its reverse (50414342131), we get a palindrome (63538683536).

The spelling of 13124341405 in words is "thirteen billion, one hundred twenty-four million, three hundred forty-one thousand, four hundred five".

Divisors: 1 5 7 35 374981183 1874905915 2624868281 13124341405